Home / 31,580.20-47,360.04-10,514.58

Finding the Fourth Proportional to 31,580.20, 47,360.04 and 10,514.58

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Solution

The fourth proportional to 31,580.20, 47,360.04 and 10,514.58 is: 15,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.20 : 47,360.04 = 10,514.58 : x
  2. Step 2: Convert to fraction form
    31,580.20/47,360.04 = 10,514.58/x
  3. Step 3: Cross multiply
    31,580.20x = 47,360.04 × 10,514.58
  4. Step 4: Simplify right side
    31,580.20x = 497,970,889.95
  5. Step 5: Solve for x
    x = 497,970,889.95/31,580.20
  6. Step 6: Final answer
    x = 15,768.45

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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.