Home / 42,555.20-63,819.07-14,086.84

Finding the Fourth Proportional to 42,555.20, 63,819.07 and 14,086.84

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Solution

The fourth proportional to 42,555.20, 63,819.07 and 14,086.84 is: 21,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.20 : 63,819.07 = 14,086.84 : x
  2. Step 2: Convert to fraction form
    42,555.20/63,819.07 = 14,086.84/x
  3. Step 3: Cross multiply
    42,555.20x = 63,819.07 × 14,086.84
  4. Step 4: Simplify right side
    42,555.20x = 899,008,708.94
  5. Step 5: Solve for x
    x = 899,008,708.94/42,555.20
  6. Step 6: Final answer
    x = 21,125.71

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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.