Home / 55,818.59-83,640.38-47,464.25

Finding the Fourth Proportional to 55,818.59, 83,640.38 and 47,464.25

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Solution

The fourth proportional to 55,818.59, 83,640.38 and 47,464.25 is: 71,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818.59 : 83,640.38 = 47,464.25 : x
  2. Step 2: Convert to fraction form
    55,818.59/83,640.38 = 47,464.25/x
  3. Step 3: Cross multiply
    55,818.59x = 83,640.38 × 47,464.25
  4. Step 4: Simplify right side
    55,818.59x = 3,969,927,878.19
  5. Step 5: Solve for x
    x = 3,969,927,878.19/55,818.59
  6. Step 6: Final answer
    x = 71,121.96

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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.