Home / 42,367.20-63,509.49-20,174.62

Finding the Fourth Proportional to 42,367.20, 63,509.49 and 20,174.62

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Solution

The fourth proportional to 42,367.20, 63,509.49 and 20,174.62 is: 30,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,367.20 : 63,509.49 = 20,174.62 : x
  2. Step 2: Convert to fraction form
    42,367.20/63,509.49 = 20,174.62/x
  3. Step 3: Cross multiply
    42,367.20x = 63,509.49 × 20,174.62
  4. Step 4: Simplify right side
    42,367.20x = 1,281,279,827.14
  5. Step 5: Solve for x
    x = 1,281,279,827.14/42,367.20
  6. Step 6: Final answer
    x = 30,242.26

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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.