Home / 47,387.31-65,397.14-25,879.05

Finding the Fourth Proportional to 47,387.31, 65,397.14 and 25,879.05

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Solution

The fourth proportional to 47,387.31, 65,397.14 and 25,879.05 is: 35,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.31 : 65,397.14 = 25,879.05 : x
  2. Step 2: Convert to fraction form
    47,387.31/65,397.14 = 25,879.05/x
  3. Step 3: Cross multiply
    47,387.31x = 65,397.14 × 25,879.05
  4. Step 4: Simplify right side
    47,387.31x = 1,692,415,823.57
  5. Step 5: Solve for x
    x = 1,692,415,823.57/47,387.31
  6. Step 6: Final answer
    x = 35,714.54

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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.