Home / 57,080.62-78,769.22-31,586.55

Finding the Fourth Proportional to 57,080.62, 78,769.22 and 31,586.55

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Solution

The fourth proportional to 57,080.62, 78,769.22 and 31,586.55 is: 43,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080.62 : 78,769.22 = 31,586.55 : x
  2. Step 2: Convert to fraction form
    57,080.62/78,769.22 = 31,586.55/x
  3. Step 3: Cross multiply
    57,080.62x = 78,769.22 × 31,586.55
  4. Step 4: Simplify right side
    57,080.62x = 2,488,047,905.99
  5. Step 5: Solve for x
    x = 2,488,047,905.99/57,080.62
  6. Step 6: Final answer
    x = 43,588.31

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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.