Home / 51,757.02-77,635.80-14,317.20

Finding the Fourth Proportional to 51,757.02, 77,635.80 and 14,317.20

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Solution

The fourth proportional to 51,757.02, 77,635.80 and 14,317.20 is: 21,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,757.02 : 77,635.80 = 14,317.20 : x
  2. Step 2: Convert to fraction form
    51,757.02/77,635.80 = 14,317.20/x
  3. Step 3: Cross multiply
    51,757.02x = 77,635.80 × 14,317.20
  4. Step 4: Simplify right side
    51,757.02x = 1,111,527,275.76
  5. Step 5: Solve for x
    x = 1,111,527,275.76/51,757.02
  6. Step 6: Final answer
    x = 21,475.87

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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.