Home / 38,810.70-58,221.45-15,431.70

Finding the Fourth Proportional to 38,810.70, 58,221.45 and 15,431.70

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Solution

The fourth proportional to 38,810.70, 58,221.45 and 15,431.70 is: 23,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.70 : 58,221.45 = 15,431.70 : x
  2. Step 2: Convert to fraction form
    38,810.70/58,221.45 = 15,431.70/x
  3. Step 3: Cross multiply
    38,810.70x = 58,221.45 × 15,431.70
  4. Step 4: Simplify right side
    38,810.70x = 898,455,949.97
  5. Step 5: Solve for x
    x = 898,455,949.97/38,810.70
  6. Step 6: Final answer
    x = 23,149.70

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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.