Home / 29,864.10-44,747.55-21,990.90

Finding the Fourth Proportional to 29,864.10, 44,747.55 and 21,990.90

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Solution

The fourth proportional to 29,864.10, 44,747.55 and 21,990.90 is: 32,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,864.10 : 44,747.55 = 21,990.90 : x
  2. Step 2: Convert to fraction form
    29,864.10/44,747.55 = 21,990.90/x
  3. Step 3: Cross multiply
    29,864.10x = 44,747.55 × 21,990.90
  4. Step 4: Simplify right side
    29,864.10x = 984,038,897.30
  5. Step 5: Solve for x
    x = 984,038,897.30/29,864.10
  6. Step 6: Final answer
    x = 32,950.56

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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.