Home / 47,871.60-66,061.88-26,651.28

Finding the Fourth Proportional to 47,871.60, 66,061.88 and 26,651.28

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Solution

The fourth proportional to 47,871.60, 66,061.88 and 26,651.28 is: 36,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,871.60 : 66,061.88 = 26,651.28 : x
  2. Step 2: Convert to fraction form
    47,871.60/66,061.88 = 26,651.28/x
  3. Step 3: Cross multiply
    47,871.60x = 66,061.88 × 26,651.28
  4. Step 4: Simplify right side
    47,871.60x = 1,760,633,661.21
  5. Step 5: Solve for x
    x = 1,760,633,661.21/47,871.60
  6. Step 6: Final answer
    x = 36,778.25

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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.