Home / 42,614.38-63,929.67-19,240.75

Finding the Fourth Proportional to 42,614.38, 63,929.67 and 19,240.75

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Solution

The fourth proportional to 42,614.38, 63,929.67 and 19,240.75 is: 28,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,614.38 : 63,929.67 = 19,240.75 : x
  2. Step 2: Convert to fraction form
    42,614.38/63,929.67 = 19,240.75/x
  3. Step 3: Cross multiply
    42,614.38x = 63,929.67 × 19,240.75
  4. Step 4: Simplify right side
    42,614.38x = 1,230,054,798.05
  5. Step 5: Solve for x
    x = 1,230,054,798.05/42,614.38
  6. Step 6: Final answer
    x = 28,864.78

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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.