Home / 38,189.52-52,711.56-21,427.92

Finding the Fourth Proportional to 38,189.52, 52,711.56 and 21,427.92

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Solution

The fourth proportional to 38,189.52, 52,711.56 and 21,427.92 is: 29,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.52 : 52,711.56 = 21,427.92 : x
  2. Step 2: Convert to fraction form
    38,189.52/52,711.56 = 21,427.92/x
  3. Step 3: Cross multiply
    38,189.52x = 52,711.56 × 21,427.92
  4. Step 4: Simplify right side
    38,189.52x = 1,129,499,090.76
  5. Step 5: Solve for x
    x = 1,129,499,090.76/38,189.52
  6. Step 6: Final answer
    x = 29,576.15

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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.