Home / 42,114.74-58,115.84-22,990.70

Finding the Fourth Proportional to 42,114.74, 58,115.84 and 22,990.70

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Solution

The fourth proportional to 42,114.74, 58,115.84 and 22,990.70 is: 31,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,114.74 : 58,115.84 = 22,990.70 : x
  2. Step 2: Convert to fraction form
    42,114.74/58,115.84 = 22,990.70/x
  3. Step 3: Cross multiply
    42,114.74x = 58,115.84 × 22,990.70
  4. Step 4: Simplify right side
    42,114.74x = 1,336,123,842.69
  5. Step 5: Solve for x
    x = 1,336,123,842.69/42,114.74
  6. Step 6: Final answer
    x = 31,725.80

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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.