Home / 55,521-76,655.94-32,867.28

Finding the Fourth Proportional to 55,521, 76,655.94 and 32,867.28

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Solution

The fourth proportional to 55,521, 76,655.94 and 32,867.28 is: 45,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,521 : 76,655.94 = 32,867.28 : x
  2. Step 2: Convert to fraction form
    55,521/76,655.94 = 32,867.28/x
  3. Step 3: Cross multiply
    55,521x = 76,655.94 × 32,867.28
  4. Step 4: Simplify right side
    55,521x = 2,519,472,243.64
  5. Step 5: Solve for x
    x = 2,519,472,243.64/55,521
  6. Step 6: Final answer
    x = 45,378.73

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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.