Home / 31,390.07-47,086.86-10,044.65

Finding the Fourth Proportional to 31,390.07, 47,086.86 and 10,044.65

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Solution

The fourth proportional to 31,390.07, 47,086.86 and 10,044.65 is: 15,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.07 : 47,086.86 = 10,044.65 : x
  2. Step 2: Convert to fraction form
    31,390.07/47,086.86 = 10,044.65/x
  3. Step 3: Cross multiply
    31,390.07x = 47,086.86 × 10,044.65
  4. Step 4: Simplify right side
    31,390.07x = 472,970,792.86
  5. Step 5: Solve for x
    x = 472,970,792.86/31,390.07
  6. Step 6: Final answer
    x = 15,067.53

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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.