Home / 42,286.79-63,432.92-14,205.71

Finding the Fourth Proportional to 42,286.79, 63,432.92 and 14,205.71

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Solution

The fourth proportional to 42,286.79, 63,432.92 and 14,205.71 is: 21,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286.79 : 63,432.92 = 14,205.71 : x
  2. Step 2: Convert to fraction form
    42,286.79/63,432.92 = 14,205.71/x
  3. Step 3: Cross multiply
    42,286.79x = 63,432.92 × 14,205.71
  4. Step 4: Simplify right side
    42,286.79x = 901,109,860.07
  5. Step 5: Solve for x
    x = 901,109,860.07/42,286.79
  6. Step 6: Final answer
    x = 21,309.49

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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.