Home / 42,171.26-58,239.92-36,478.68

Finding the Fourth Proportional to 42,171.26, 58,239.92 and 36,478.68

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Solution

The fourth proportional to 42,171.26, 58,239.92 and 36,478.68 is: 50,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,171.26 : 58,239.92 = 36,478.68 : x
  2. Step 2: Convert to fraction form
    42,171.26/58,239.92 = 36,478.68/x
  3. Step 3: Cross multiply
    42,171.26x = 58,239.92 × 36,478.68
  4. Step 4: Simplify right side
    42,171.26x = 2,124,515,404.91
  5. Step 5: Solve for x
    x = 2,124,515,404.91/42,171.26
  6. Step 6: Final answer
    x = 50,378.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.