Home / 47,001.78-64,862.55-25,781.22

Finding the Fourth Proportional to 47,001.78, 64,862.55 and 25,781.22

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Solution

The fourth proportional to 47,001.78, 64,862.55 and 25,781.22 is: 35,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,001.78 : 64,862.55 = 25,781.22 : x
  2. Step 2: Convert to fraction form
    47,001.78/64,862.55 = 25,781.22/x
  3. Step 3: Cross multiply
    47,001.78x = 64,862.55 × 25,781.22
  4. Step 4: Simplify right side
    47,001.78x = 1,672,235,671.31
  5. Step 5: Solve for x
    x = 1,672,235,671.31/47,001.78
  6. Step 6: Final answer
    x = 35,578.13

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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.