Home / 38,510.39-57,770.46-13,214.83

Finding the Fourth Proportional to 38,510.39, 57,770.46 and 13,214.83

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Solution

The fourth proportional to 38,510.39, 57,770.46 and 13,214.83 is: 19,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510.39 : 57,770.46 = 13,214.83 : x
  2. Step 2: Convert to fraction form
    38,510.39/57,770.46 = 13,214.83/x
  3. Step 3: Cross multiply
    38,510.39x = 57,770.46 × 13,214.83
  4. Step 4: Simplify right side
    38,510.39x = 763,426,919.31
  5. Step 5: Solve for x
    x = 763,426,919.31/38,510.39
  6. Step 6: Final answer
    x = 19,823.92

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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.