Home / 55,232.28-76,215.33-31,357.53

Finding the Fourth Proportional to 55,232.28, 76,215.33 and 31,357.53

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Solution

The fourth proportional to 55,232.28, 76,215.33 and 31,357.53 is: 43,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.28 : 76,215.33 = 31,357.53 : x
  2. Step 2: Convert to fraction form
    55,232.28/76,215.33 = 31,357.53/x
  3. Step 3: Cross multiply
    55,232.28x = 76,215.33 × 31,357.53
  4. Step 4: Simplify right side
    55,232.28x = 2,389,924,496.93
  5. Step 5: Solve for x
    x = 2,389,924,496.93/55,232.28
  6. Step 6: Final answer
    x = 43,270.43

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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.