Home / 31,445.13-47,152.62-14,791.11

Finding the Fourth Proportional to 31,445.13, 47,152.62 and 14,791.11

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Solution

The fourth proportional to 31,445.13, 47,152.62 and 14,791.11 is: 22,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.13 : 47,152.62 = 14,791.11 : x
  2. Step 2: Convert to fraction form
    31,445.13/47,152.62 = 14,791.11/x
  3. Step 3: Cross multiply
    31,445.13x = 47,152.62 × 14,791.11
  4. Step 4: Simplify right side
    31,445.13x = 697,439,589.21
  5. Step 5: Solve for x
    x = 697,439,589.21/31,445.13
  6. Step 6: Final answer
    x = 22,179.57

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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.