Home / 55,213.57-76,195.65-31,340.98

Finding the Fourth Proportional to 55,213.57, 76,195.65 and 31,340.98

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Solution

The fourth proportional to 55,213.57, 76,195.65 and 31,340.98 is: 43,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,213.57 : 76,195.65 = 31,340.98 : x
  2. Step 2: Convert to fraction form
    55,213.57/76,195.65 = 31,340.98/x
  3. Step 3: Cross multiply
    55,213.57x = 76,195.65 × 31,340.98
  4. Step 4: Simplify right side
    55,213.57x = 2,388,046,342.74
  5. Step 5: Solve for x
    x = 2,388,046,342.74/55,213.57
  6. Step 6: Final answer
    x = 43,251.08

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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.