Home / 42,417.20-63,650.10-16,140.80

Finding the Fourth Proportional to 42,417.20, 63,650.10 and 16,140.80

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Solution

The fourth proportional to 42,417.20, 63,650.10 and 16,140.80 is: 24,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,417.20 : 63,650.10 = 16,140.80 : x
  2. Step 2: Convert to fraction form
    42,417.20/63,650.10 = 16,140.80/x
  3. Step 3: Cross multiply
    42,417.20x = 63,650.10 × 16,140.80
  4. Step 4: Simplify right side
    42,417.20x = 1,027,363,534.08
  5. Step 5: Solve for x
    x = 1,027,363,534.08/42,417.20
  6. Step 6: Final answer
    x = 24,220.45

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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.