Home / 55,422.46-83,166.81-20,365.66

Finding the Fourth Proportional to 55,422.46, 83,166.81 and 20,365.66

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Solution

The fourth proportional to 55,422.46, 83,166.81 and 20,365.66 is: 30,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.46 : 83,166.81 = 20,365.66 : x
  2. Step 2: Convert to fraction form
    55,422.46/83,166.81 = 20,365.66/x
  3. Step 3: Cross multiply
    55,422.46x = 83,166.81 × 20,365.66
  4. Step 4: Simplify right side
    55,422.46x = 1,693,747,117.89
  5. Step 5: Solve for x
    x = 1,693,747,117.89/55,422.46
  6. Step 6: Final answer
    x = 30,560.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.