Home / 38,534.76-57,801.58-12,239.08

Finding the Fourth Proportional to 38,534.76, 57,801.58 and 12,239.08

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Solution

The fourth proportional to 38,534.76, 57,801.58 and 12,239.08 is: 18,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,534.76 : 57,801.58 = 12,239.08 : x
  2. Step 2: Convert to fraction form
    38,534.76/57,801.58 = 12,239.08/x
  3. Step 3: Cross multiply
    38,534.76x = 57,801.58 × 12,239.08
  4. Step 4: Simplify right side
    38,534.76x = 707,438,161.75
  5. Step 5: Solve for x
    x = 707,438,161.75/38,534.76
  6. Step 6: Final answer
    x = 18,358.44

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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.