Home / 42,112.74-58,113.08-22,988.70

Finding the Fourth Proportional to 42,112.74, 58,113.08 and 22,988.70

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Solution

The fourth proportional to 42,112.74, 58,113.08 and 22,988.70 is: 31,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,112.74 : 58,113.08 = 22,988.70 : x
  2. Step 2: Convert to fraction form
    42,112.74/58,113.08 = 22,988.70/x
  3. Step 3: Cross multiply
    42,112.74x = 58,113.08 × 22,988.70
  4. Step 4: Simplify right side
    42,112.74x = 1,335,944,162.20
  5. Step 5: Solve for x
    x = 1,335,944,162.20/42,112.74
  6. Step 6: Final answer
    x = 31,723.04

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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.