Home / 52,677.28-78,999.45-17,608.74

Finding the Fourth Proportional to 52,677.28, 78,999.45 and 17,608.74

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Solution

The fourth proportional to 52,677.28, 78,999.45 and 17,608.74 is: 26,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,677.28 : 78,999.45 = 17,608.74 : x
  2. Step 2: Convert to fraction form
    52,677.28/78,999.45 = 17,608.74/x
  3. Step 3: Cross multiply
    52,677.28x = 78,999.45 × 17,608.74
  4. Step 4: Simplify right side
    52,677.28x = 1,391,080,775.19
  5. Step 5: Solve for x
    x = 1,391,080,775.19/52,677.28
  6. Step 6: Final answer
    x = 26,407.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.