Home / 38,402.56-52,994.88-21,635.68

Finding the Fourth Proportional to 38,402.56, 52,994.88 and 21,635.68

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Solution

The fourth proportional to 38,402.56, 52,994.88 and 21,635.68 is: 29,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.56 : 52,994.88 = 21,635.68 : x
  2. Step 2: Convert to fraction form
    38,402.56/52,994.88 = 21,635.68/x
  3. Step 3: Cross multiply
    38,402.56x = 52,994.88 × 21,635.68
  4. Step 4: Simplify right side
    38,402.56x = 1,146,580,265.32
  5. Step 5: Solve for x
    x = 1,146,580,265.32/38,402.56
  6. Step 6: Final answer
    x = 29,856.87

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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.