Home / 42,000.30-63,000.45-34,613.10

Finding the Fourth Proportional to 42,000.30, 63,000.45 and 34,613.10

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Solution

The fourth proportional to 42,000.30, 63,000.45 and 34,613.10 is: 51,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.30 : 63,000.45 = 34,613.10 : x
  2. Step 2: Convert to fraction form
    42,000.30/63,000.45 = 34,613.10/x
  3. Step 3: Cross multiply
    42,000.30x = 63,000.45 × 34,613.10
  4. Step 4: Simplify right side
    42,000.30x = 2,180,640,875.90
  5. Step 5: Solve for x
    x = 2,180,640,875.90/42,000.30
  6. Step 6: Final answer
    x = 51,919.65

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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.