Home / 45,118.89-67,674.02-15,532.65

Finding the Fourth Proportional to 45,118.89, 67,674.02 and 15,532.65

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Solution

The fourth proportional to 45,118.89, 67,674.02 and 15,532.65 is: 23,297.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,118.89 : 67,674.02 = 15,532.65 : x
  2. Step 2: Convert to fraction form
    45,118.89/67,674.02 = 15,532.65/x
  3. Step 3: Cross multiply
    45,118.89x = 67,674.02 × 15,532.65
  4. Step 4: Simplify right side
    45,118.89x = 1,051,156,789.09
  5. Step 5: Solve for x
    x = 1,051,156,789.09/45,118.89
  6. Step 6: Final answer
    x = 23,297.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.