Home / 51,233.28-76,853.88-19,658.46

Finding the Fourth Proportional to 51,233.28, 76,853.88 and 19,658.46

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Solution

The fourth proportional to 51,233.28, 76,853.88 and 19,658.46 is: 29,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,233.28 : 76,853.88 = 19,658.46 : x
  2. Step 2: Convert to fraction form
    51,233.28/76,853.88 = 19,658.46/x
  3. Step 3: Cross multiply
    51,233.28x = 76,853.88 × 19,658.46
  4. Step 4: Simplify right side
    51,233.28x = 1,510,828,925.82
  5. Step 5: Solve for x
    x = 1,510,828,925.82/51,233.28
  6. Step 6: Final answer
    x = 29,489.21

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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.