Home / 45,120.41-67,679.80-15,537.59

Finding the Fourth Proportional to 45,120.41, 67,679.80 and 15,537.59

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Solution

The fourth proportional to 45,120.41, 67,679.80 and 15,537.59 is: 23,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,120.41 : 67,679.80 = 15,537.59 : x
  2. Step 2: Convert to fraction form
    45,120.41/67,679.80 = 15,537.59/x
  3. Step 3: Cross multiply
    45,120.41x = 67,679.80 × 15,537.59
  4. Step 4: Simplify right side
    45,120.41x = 1,051,580,606.44
  5. Step 5: Solve for x
    x = 1,051,580,606.44/45,120.41
  6. Step 6: Final answer
    x = 23,306.10

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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.