Home / 38,487.10-57,730.65-21,898.30

Finding the Fourth Proportional to 38,487.10, 57,730.65 and 21,898.30

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Solution

The fourth proportional to 38,487.10, 57,730.65 and 21,898.30 is: 32,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487.10 : 57,730.65 = 21,898.30 : x
  2. Step 2: Convert to fraction form
    38,487.10/57,730.65 = 21,898.30/x
  3. Step 3: Cross multiply
    38,487.10x = 57,730.65 × 21,898.30
  4. Step 4: Simplify right side
    38,487.10x = 1,264,203,092.90
  5. Step 5: Solve for x
    x = 1,264,203,092.90/38,487.10
  6. Step 6: Final answer
    x = 32,847.45

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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.