Home / 57,585.08-79,507.92-40,393.98

Finding the Fourth Proportional to 57,585.08, 79,507.92 and 40,393.98

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Solution

The fourth proportional to 57,585.08, 79,507.92 and 40,393.98 is: 55,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,585.08 : 79,507.92 = 40,393.98 : x
  2. Step 2: Convert to fraction form
    57,585.08/79,507.92 = 40,393.98/x
  3. Step 3: Cross multiply
    57,585.08x = 79,507.92 × 40,393.98
  4. Step 4: Simplify right side
    57,585.08x = 3,211,641,085.97
  5. Step 5: Solve for x
    x = 3,211,641,085.97/57,585.08
  6. Step 6: Final answer
    x = 55,772.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.