Home / 31,861.78-43,969.02-17,714.50

Finding the Fourth Proportional to 31,861.78, 43,969.02 and 17,714.50

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Solution

The fourth proportional to 31,861.78, 43,969.02 and 17,714.50 is: 24,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.78 : 43,969.02 = 17,714.50 : x
  2. Step 2: Convert to fraction form
    31,861.78/43,969.02 = 17,714.50/x
  3. Step 3: Cross multiply
    31,861.78x = 43,969.02 × 17,714.50
  4. Step 4: Simplify right side
    31,861.78x = 778,889,204.79
  5. Step 5: Solve for x
    x = 778,889,204.79/31,861.78
  6. Step 6: Final answer
    x = 24,445.88

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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.