Home / 38,333.12-52,899.36-21,565.76

Finding the Fourth Proportional to 38,333.12, 52,899.36 and 21,565.76

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Solution

The fourth proportional to 38,333.12, 52,899.36 and 21,565.76 is: 29,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,333.12 : 52,899.36 = 21,565.76 : x
  2. Step 2: Convert to fraction form
    38,333.12/52,899.36 = 21,565.76/x
  3. Step 3: Cross multiply
    38,333.12x = 52,899.36 × 21,565.76
  4. Step 4: Simplify right side
    38,333.12x = 1,140,814,901.91
  5. Step 5: Solve for x
    x = 1,140,814,901.91/38,333.12
  6. Step 6: Final answer
    x = 29,760.55

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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.