Home / 47,948.88-66,171.70-26,728.30

Finding the Fourth Proportional to 47,948.88, 66,171.70 and 26,728.30

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Solution

The fourth proportional to 47,948.88, 66,171.70 and 26,728.30 is: 36,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.88 : 66,171.70 = 26,728.30 : x
  2. Step 2: Convert to fraction form
    47,948.88/66,171.70 = 26,728.30/x
  3. Step 3: Cross multiply
    47,948.88x = 66,171.70 × 26,728.30
  4. Step 4: Simplify right side
    47,948.88x = 1,768,657,049.11
  5. Step 5: Solve for x
    x = 1,768,657,049.11/47,948.88
  6. Step 6: Final answer
    x = 36,886.31

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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.