Home / 42,612.98-63,919.17-13,030.70

Finding the Fourth Proportional to 42,612.98, 63,919.17 and 13,030.70

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Solution

The fourth proportional to 42,612.98, 63,919.17 and 13,030.70 is: 19,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612.98 : 63,919.17 = 13,030.70 : x
  2. Step 2: Convert to fraction form
    42,612.98/63,919.17 = 13,030.70/x
  3. Step 3: Cross multiply
    42,612.98x = 63,919.17 × 13,030.70
  4. Step 4: Simplify right side
    42,612.98x = 832,911,208.92
  5. Step 5: Solve for x
    x = 832,911,208.92/42,612.98
  6. Step 6: Final answer
    x = 19,545.95

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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.