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Finding the Fourth Proportional to 47,371.54, 65,373.71 and 25,862.19

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Solution

The fourth proportional to 47,371.54, 65,373.71 and 25,862.19 is: 35,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,371.54 : 65,373.71 = 25,862.19 : x
  2. Step 2: Convert to fraction form
    47,371.54/65,373.71 = 25,862.19/x
  3. Step 3: Cross multiply
    47,371.54x = 65,373.71 × 25,862.19
  4. Step 4: Simplify right side
    47,371.54x = 1,690,707,392.20
  5. Step 5: Solve for x
    x = 1,690,707,392.20/47,371.54
  6. Step 6: Final answer
    x = 35,690.36

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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.