Home / 45,415.10-68,122.65-14,246.30

Finding the Fourth Proportional to 45,415.10, 68,122.65 and 14,246.30

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Solution

The fourth proportional to 45,415.10, 68,122.65 and 14,246.30 is: 21,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.10 : 68,122.65 = 14,246.30 : x
  2. Step 2: Convert to fraction form
    45,415.10/68,122.65 = 14,246.30/x
  3. Step 3: Cross multiply
    45,415.10x = 68,122.65 × 14,246.30
  4. Step 4: Simplify right side
    45,415.10x = 970,495,708.70
  5. Step 5: Solve for x
    x = 970,495,708.70/45,415.10
  6. Step 6: Final answer
    x = 21,369.45

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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.