Home / 47,327.90-70,905.45-38,515.10

Finding the Fourth Proportional to 47,327.90, 70,905.45 and 38,515.10

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Solution

The fourth proportional to 47,327.90, 70,905.45 and 38,515.10 is: 57,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,327.90 : 70,905.45 = 38,515.10 : x
  2. Step 2: Convert to fraction form
    47,327.90/70,905.45 = 38,515.10/x
  3. Step 3: Cross multiply
    47,327.90x = 70,905.45 × 38,515.10
  4. Step 4: Simplify right side
    47,327.90x = 2,730,930,497.30
  5. Step 5: Solve for x
    x = 2,730,930,497.30/47,327.90
  6. Step 6: Final answer
    x = 57,702.34

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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.