Home / 42,122.71-58,129.47-23,002.66

Finding the Fourth Proportional to 42,122.71, 58,129.47 and 23,002.66

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Solution

The fourth proportional to 42,122.71, 58,129.47 and 23,002.66 is: 31,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.71 : 58,129.47 = 23,002.66 : x
  2. Step 2: Convert to fraction form
    42,122.71/58,129.47 = 23,002.66/x
  3. Step 3: Cross multiply
    42,122.71x = 58,129.47 × 23,002.66
  4. Step 4: Simplify right side
    42,122.71x = 1,337,132,434.39
  5. Step 5: Solve for x
    x = 1,337,132,434.39/42,122.71
  6. Step 6: Final answer
    x = 31,743.74

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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.