Home / 47,387.90-65,406.51-27,256.41

Finding the Fourth Proportional to 47,387.90, 65,406.51 and 27,256.41

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Solution

The fourth proportional to 47,387.90, 65,406.51 and 27,256.41 is: 37,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.90 : 65,406.51 = 27,256.41 : x
  2. Step 2: Convert to fraction form
    47,387.90/65,406.51 = 27,256.41/x
  3. Step 3: Cross multiply
    47,387.90x = 65,406.51 × 27,256.41
  4. Step 4: Simplify right side
    47,387.90x = 1,782,746,407.95
  5. Step 5: Solve for x
    x = 1,782,746,407.95/47,387.90
  6. Step 6: Final answer
    x = 37,620.29

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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.