Home / 38,102.60-52,581.54-21,335.72

Finding the Fourth Proportional to 38,102.60, 52,581.54 and 21,335.72

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Solution

The fourth proportional to 38,102.60, 52,581.54 and 21,335.72 is: 29,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,102.60 : 52,581.54 = 21,335.72 : x
  2. Step 2: Convert to fraction form
    38,102.60/52,581.54 = 21,335.72/x
  3. Step 3: Cross multiply
    38,102.60x = 52,581.54 × 21,335.72
  4. Step 4: Simplify right side
    38,102.60x = 1,121,865,014.61
  5. Step 5: Solve for x
    x = 1,121,865,014.61/38,102.60
  6. Step 6: Final answer
    x = 29,443.27

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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.