Home / 47,929.20-66,144.32-26,708.40

Finding the Fourth Proportional to 47,929.20, 66,144.32 and 26,708.40

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Solution

The fourth proportional to 47,929.20, 66,144.32 and 26,708.40 is: 36,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,929.20 : 66,144.32 = 26,708.40 : x
  2. Step 2: Convert to fraction form
    47,929.20/66,144.32 = 26,708.40/x
  3. Step 3: Cross multiply
    47,929.20x = 66,144.32 × 26,708.40
  4. Step 4: Simplify right side
    47,929.20x = 1,766,608,956.29
  5. Step 5: Solve for x
    x = 1,766,608,956.29/47,929.20
  6. Step 6: Final answer
    x = 36,858.72

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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.