Home / 38,666.52-58,022.08-20,897.22

Finding the Fourth Proportional to 38,666.52, 58,022.08 and 20,897.22

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Solution

The fourth proportional to 38,666.52, 58,022.08 and 20,897.22 is: 31,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.52 : 58,022.08 = 20,897.22 : x
  2. Step 2: Convert to fraction form
    38,666.52/58,022.08 = 20,897.22/x
  3. Step 3: Cross multiply
    38,666.52x = 58,022.08 × 20,897.22
  4. Step 4: Simplify right side
    38,666.52x = 1,212,500,170.62
  5. Step 5: Solve for x
    x = 1,212,500,170.62/38,666.52
  6. Step 6: Final answer
    x = 31,357.88

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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.