Home / 51,680.52-77,521.08-18,401.87

Finding the Fourth Proportional to 51,680.52, 77,521.08 and 18,401.87

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Solution

The fourth proportional to 51,680.52, 77,521.08 and 18,401.87 is: 27,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.52 : 77,521.08 = 18,401.87 : x
  2. Step 2: Convert to fraction form
    51,680.52/77,521.08 = 18,401.87/x
  3. Step 3: Cross multiply
    51,680.52x = 77,521.08 × 18,401.87
  4. Step 4: Simplify right side
    51,680.52x = 1,426,532,836.42
  5. Step 5: Solve for x
    x = 1,426,532,836.42/51,680.52
  6. Step 6: Final answer
    x = 27,602.91

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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.