Home / 55,972.14-83,955.48-20,909.04

Finding the Fourth Proportional to 55,972.14, 83,955.48 and 20,909.04

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Solution

The fourth proportional to 55,972.14, 83,955.48 and 20,909.04 is: 31,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,972.14 : 83,955.48 = 20,909.04 : x
  2. Step 2: Convert to fraction form
    55,972.14/83,955.48 = 20,909.04/x
  3. Step 3: Cross multiply
    55,972.14x = 83,955.48 × 20,909.04
  4. Step 4: Simplify right side
    55,972.14x = 1,755,428,489.54
  5. Step 5: Solve for x
    x = 1,755,428,489.54/55,972.14
  6. Step 6: Final answer
    x = 31,362.54

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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.