Home / 38,074.08-52,542.30-21,079.50

Finding the Fourth Proportional to 38,074.08, 52,542.30 and 21,079.50

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Solution

The fourth proportional to 38,074.08, 52,542.30 and 21,079.50 is: 29,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.08 : 52,542.30 = 21,079.50 : x
  2. Step 2: Convert to fraction form
    38,074.08/52,542.30 = 21,079.50/x
  3. Step 3: Cross multiply
    38,074.08x = 52,542.30 × 21,079.50
  4. Step 4: Simplify right side
    38,074.08x = 1,107,565,412.85
  5. Step 5: Solve for x
    x = 1,107,565,412.85/38,074.08
  6. Step 6: Final answer
    x = 29,089.75

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Double scale
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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.