Home / 31,563.12-47,345.88-10,505.04

Finding the Fourth Proportional to 31,563.12, 47,345.88 and 10,505.04

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Solution

The fourth proportional to 31,563.12, 47,345.88 and 10,505.04 is: 15,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.12 : 47,345.88 = 10,505.04 : x
  2. Step 2: Convert to fraction form
    31,563.12/47,345.88 = 10,505.04/x
  3. Step 3: Cross multiply
    31,563.12x = 47,345.88 × 10,505.04
  4. Step 4: Simplify right side
    31,563.12x = 497,370,363.24
  5. Step 5: Solve for x
    x = 497,370,363.24/31,563.12
  6. Step 6: Final answer
    x = 15,757.96

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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.