Home / 51,940.28-71,700.18-40,429.10

Finding the Fourth Proportional to 51,940.28, 71,700.18 and 40,429.10

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Solution

The fourth proportional to 51,940.28, 71,700.18 and 40,429.10 is: 55,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,940.28 : 71,700.18 = 40,429.10 : x
  2. Step 2: Convert to fraction form
    51,940.28/71,700.18 = 40,429.10/x
  3. Step 3: Cross multiply
    51,940.28x = 71,700.18 × 40,429.10
  4. Step 4: Simplify right side
    51,940.28x = 2,898,773,747.24
  5. Step 5: Solve for x
    x = 2,898,773,747.24/51,940.28
  6. Step 6: Final answer
    x = 55,809.74

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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.