Home / 57,080.85-78,769.97-31,588.28

Finding the Fourth Proportional to 57,080.85, 78,769.97 and 31,588.28

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Solution

The fourth proportional to 57,080.85, 78,769.97 and 31,588.28 is: 43,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080.85 : 78,769.97 = 31,588.28 : x
  2. Step 2: Convert to fraction form
    57,080.85/78,769.97 = 31,588.28/x
  3. Step 3: Cross multiply
    57,080.85x = 78,769.97 × 31,588.28
  4. Step 4: Simplify right side
    57,080.85x = 2,488,207,730.00
  5. Step 5: Solve for x
    x = 2,488,207,730.00/57,080.85
  6. Step 6: Final answer
    x = 43,590.94

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1.5x scale

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.