Home / 38,221.60-57,332.40-10,141.60

Finding the Fourth Proportional to 38,221.60, 57,332.40 and 10,141.60

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Solution

The fourth proportional to 38,221.60, 57,332.40 and 10,141.60 is: 15,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.60 : 57,332.40 = 10,141.60 : x
  2. Step 2: Convert to fraction form
    38,221.60/57,332.40 = 10,141.60/x
  3. Step 3: Cross multiply
    38,221.60x = 57,332.40 × 10,141.60
  4. Step 4: Simplify right side
    38,221.60x = 581,442,267.84
  5. Step 5: Solve for x
    x = 581,442,267.84/38,221.60
  6. Step 6: Final answer
    x = 15,212.40

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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.