Home / 42,307.60-63,461.40-40,363.60

Finding the Fourth Proportional to 42,307.60, 63,461.40 and 40,363.60

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Solution

The fourth proportional to 42,307.60, 63,461.40 and 40,363.60 is: 60,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,307.60 : 63,461.40 = 40,363.60 : x
  2. Step 2: Convert to fraction form
    42,307.60/63,461.40 = 40,363.60/x
  3. Step 3: Cross multiply
    42,307.60x = 63,461.40 × 40,363.60
  4. Step 4: Simplify right side
    42,307.60x = 2,561,530,565.04
  5. Step 5: Solve for x
    x = 2,561,530,565.04/42,307.60
  6. Step 6: Final answer
    x = 60,545.40

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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.