Home / 31,373.10-47,065.48-10,314.32

Finding the Fourth Proportional to 31,373.10, 47,065.48 and 10,314.32

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Solution

The fourth proportional to 31,373.10, 47,065.48 and 10,314.32 is: 15,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.10 : 47,065.48 = 10,314.32 : x
  2. Step 2: Convert to fraction form
    31,373.10/47,065.48 = 10,314.32/x
  3. Step 3: Cross multiply
    31,373.10x = 47,065.48 × 10,314.32
  4. Step 4: Simplify right side
    31,373.10x = 485,448,160.56
  5. Step 5: Solve for x
    x = 485,448,160.56/31,373.10
  6. Step 6: Final answer
    x = 15,473.39

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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.