Home / 31,351.20-47,026.84-10,589.28

Finding the Fourth Proportional to 31,351.20, 47,026.84 and 10,589.28

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Solution

The fourth proportional to 31,351.20, 47,026.84 and 10,589.28 is: 15,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.20 : 47,026.84 = 10,589.28 : x
  2. Step 2: Convert to fraction form
    31,351.20/47,026.84 = 10,589.28/x
  3. Step 3: Cross multiply
    31,351.20x = 47,026.84 × 10,589.28
  4. Step 4: Simplify right side
    31,351.20x = 497,980,376.28
  5. Step 5: Solve for x
    x = 497,980,376.28/31,351.20
  6. Step 6: Final answer
    x = 15,883.93

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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.