Home / 51,802.30-77,695.08-18,516.70

Finding the Fourth Proportional to 51,802.30, 77,695.08 and 18,516.70

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Solution

The fourth proportional to 51,802.30, 77,695.08 and 18,516.70 is: 27,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,802.30 : 77,695.08 = 18,516.70 : x
  2. Step 2: Convert to fraction form
    51,802.30/77,695.08 = 18,516.70/x
  3. Step 3: Cross multiply
    51,802.30x = 77,695.08 × 18,516.70
  4. Step 4: Simplify right side
    51,802.30x = 1,438,656,487.84
  5. Step 5: Solve for x
    x = 1,438,656,487.84/51,802.30
  6. Step 6: Final answer
    x = 27,772.06

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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.