Home / 38,854.52-58,281.79-10,781.64

Finding the Fourth Proportional to 38,854.52, 58,281.79 and 10,781.64

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Solution

The fourth proportional to 38,854.52, 58,281.79 and 10,781.64 is: 16,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,854.52 : 58,281.79 = 10,781.64 : x
  2. Step 2: Convert to fraction form
    38,854.52/58,281.79 = 10,781.64/x
  3. Step 3: Cross multiply
    38,854.52x = 58,281.79 × 10,781.64
  4. Step 4: Simplify right side
    38,854.52x = 628,373,278.34
  5. Step 5: Solve for x
    x = 628,373,278.34/38,854.52
  6. Step 6: Final answer
    x = 16,172.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.