Home / 56,156.97-84,207.28-18,703.87

Finding the Fourth Proportional to 56,156.97, 84,207.28 and 18,703.87

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Solution

The fourth proportional to 56,156.97, 84,207.28 and 18,703.87 is: 28,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.97 : 84,207.28 = 18,703.87 : x
  2. Step 2: Convert to fraction form
    56,156.97/84,207.28 = 18,703.87/x
  3. Step 3: Cross multiply
    56,156.97x = 84,207.28 × 18,703.87
  4. Step 4: Simplify right side
    56,156.97x = 1,575,001,924.65
  5. Step 5: Solve for x
    x = 1,575,001,924.65/56,156.97
  6. Step 6: Final answer
    x = 28,046.42

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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.