Home / 55,376.08-83,108.46-28,729.71

Finding the Fourth Proportional to 55,376.08, 83,108.46 and 28,729.71

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Solution

The fourth proportional to 55,376.08, 83,108.46 and 28,729.71 is: 43,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,376.08 : 83,108.46 = 28,729.71 : x
  2. Step 2: Convert to fraction form
    55,376.08/83,108.46 = 28,729.71/x
  3. Step 3: Cross multiply
    55,376.08x = 83,108.46 × 28,729.71
  4. Step 4: Simplify right side
    55,376.08x = 2,387,682,017.71
  5. Step 5: Solve for x
    x = 2,387,682,017.71/55,376.08
  6. Step 6: Final answer
    x = 43,117.57

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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.