Home / 38,403.29-52,996.76-21,408.61

Finding the Fourth Proportional to 38,403.29, 52,996.76 and 21,408.61

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Solution

The fourth proportional to 38,403.29, 52,996.76 and 21,408.61 is: 29,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.29 : 52,996.76 = 21,408.61 : x
  2. Step 2: Convert to fraction form
    38,403.29/52,996.76 = 21,408.61/x
  3. Step 3: Cross multiply
    38,403.29x = 52,996.76 × 21,408.61
  4. Step 4: Simplify right side
    38,403.29x = 1,134,586,966.10
  5. Step 5: Solve for x
    x = 1,134,586,966.10/38,403.29
  6. Step 6: Final answer
    x = 29,544.00

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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.