Home / 51,972.04-71,717.52-30,747.16

Finding the Fourth Proportional to 51,972.04, 71,717.52 and 30,747.16

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Solution

The fourth proportional to 51,972.04, 71,717.52 and 30,747.16 is: 42,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972.04 : 71,717.52 = 30,747.16 : x
  2. Step 2: Convert to fraction form
    51,972.04/71,717.52 = 30,747.16/x
  3. Step 3: Cross multiply
    51,972.04x = 71,717.52 × 30,747.16
  4. Step 4: Simplify right side
    51,972.04x = 2,205,110,062.24
  5. Step 5: Solve for x
    x = 2,205,110,062.24/51,972.04
  6. Step 6: Final answer
    x = 42,428.78

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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.