Home / 42,258.83-58,318.08-23,139.41

Finding the Fourth Proportional to 42,258.83, 58,318.08 and 23,139.41

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Solution

The fourth proportional to 42,258.83, 58,318.08 and 23,139.41 is: 31,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,258.83 : 58,318.08 = 23,139.41 : x
  2. Step 2: Convert to fraction form
    42,258.83/58,318.08 = 23,139.41/x
  3. Step 3: Cross multiply
    42,258.83x = 58,318.08 × 23,139.41
  4. Step 4: Simplify right side
    42,258.83x = 1,349,445,963.53
  5. Step 5: Solve for x
    x = 1,349,445,963.53/42,258.83
  6. Step 6: Final answer
    x = 31,932.88

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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.