Home / 56,291.42-84,412.28-29,990.54

Finding the Fourth Proportional to 56,291.42, 84,412.28 and 29,990.54

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Solution

The fourth proportional to 56,291.42, 84,412.28 and 29,990.54 is: 44,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,291.42 : 84,412.28 = 29,990.54 : x
  2. Step 2: Convert to fraction form
    56,291.42/84,412.28 = 29,990.54/x
  3. Step 3: Cross multiply
    56,291.42x = 84,412.28 × 29,990.54
  4. Step 4: Simplify right side
    56,291.42x = 2,531,569,859.83
  5. Step 5: Solve for x
    x = 2,531,569,859.83/56,291.42
  6. Step 6: Final answer
    x = 44,972.57

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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.