Home / 35,122.62-48,472.45-20,975.16

Finding the Fourth Proportional to 35,122.62, 48,472.45 and 20,975.16

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Solution

The fourth proportional to 35,122.62, 48,472.45 and 20,975.16 is: 28,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.62 : 48,472.45 = 20,975.16 : x
  2. Step 2: Convert to fraction form
    35,122.62/48,472.45 = 20,975.16/x
  3. Step 3: Cross multiply
    35,122.62x = 48,472.45 × 20,975.16
  4. Step 4: Simplify right side
    35,122.62x = 1,016,717,341.90
  5. Step 5: Solve for x
    x = 1,016,717,341.90/35,122.62
  6. Step 6: Final answer
    x = 28,947.65

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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.