Home / 38,002.56-52,437.92-21,649.92

Finding the Fourth Proportional to 38,002.56, 52,437.92 and 21,649.92

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Solution

The fourth proportional to 38,002.56, 52,437.92 and 21,649.92 is: 29,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,002.56 : 52,437.92 = 21,649.92 : x
  2. Step 2: Convert to fraction form
    38,002.56/52,437.92 = 21,649.92/x
  3. Step 3: Cross multiply
    38,002.56x = 52,437.92 × 21,649.92
  4. Step 4: Simplify right side
    38,002.56x = 1,135,276,468.07
  5. Step 5: Solve for x
    x = 1,135,276,468.07/38,002.56
  6. Step 6: Final answer
    x = 29,873.69

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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.