Home / 51,382.24-77,076-14,449.12

Finding the Fourth Proportional to 51,382.24, 77,076 and 14,449.12

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Solution

The fourth proportional to 51,382.24, 77,076 and 14,449.12 is: 21,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,382.24 : 77,076 = 14,449.12 : x
  2. Step 2: Convert to fraction form
    51,382.24/77,076 = 14,449.12/x
  3. Step 3: Cross multiply
    51,382.24x = 77,076 × 14,449.12
  4. Step 4: Simplify right side
    51,382.24x = 1,113,680,373.12
  5. Step 5: Solve for x
    x = 1,113,680,373.12/51,382.24
  6. Step 6: Final answer
    x = 21,674.42

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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.