Home / 47,871.52-66,065.01-26,650.78

Finding the Fourth Proportional to 47,871.52, 66,065.01 and 26,650.78

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Solution

The fourth proportional to 47,871.52, 66,065.01 and 26,650.78 is: 36,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,871.52 : 66,065.01 = 26,650.78 : x
  2. Step 2: Convert to fraction form
    47,871.52/66,065.01 = 26,650.78/x
  3. Step 3: Cross multiply
    47,871.52x = 66,065.01 × 26,650.78
  4. Step 4: Simplify right side
    47,871.52x = 1,760,684,047.21
  5. Step 5: Solve for x
    x = 1,760,684,047.21/47,871.52
  6. Step 6: Final answer
    x = 36,779.36

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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.