Home / 42,117.80-63,099.90-34,284.20

Finding the Fourth Proportional to 42,117.80, 63,099.90 and 34,284.20

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Solution

The fourth proportional to 42,117.80, 63,099.90 and 34,284.20 is: 51,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,117.80 : 63,099.90 = 34,284.20 : x
  2. Step 2: Convert to fraction form
    42,117.80/63,099.90 = 34,284.20/x
  3. Step 3: Cross multiply
    42,117.80x = 63,099.90 × 34,284.20
  4. Step 4: Simplify right side
    42,117.80x = 2,163,329,591.58
  5. Step 5: Solve for x
    x = 2,163,329,591.58/42,117.80
  6. Step 6: Final answer
    x = 51,363.78

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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.