Home / 42,366.59-63,550.37-12,784.68

Finding the Fourth Proportional to 42,366.59, 63,550.37 and 12,784.68

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Solution

The fourth proportional to 42,366.59, 63,550.37 and 12,784.68 is: 19,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366.59 : 63,550.37 = 12,784.68 : x
  2. Step 2: Convert to fraction form
    42,366.59/63,550.37 = 12,784.68/x
  3. Step 3: Cross multiply
    42,366.59x = 63,550.37 × 12,784.68
  4. Step 4: Simplify right side
    42,366.59x = 812,471,176.29
  5. Step 5: Solve for x
    x = 812,471,176.29/42,366.59
  6. Step 6: Final answer
    x = 19,177.17

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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.