Home / 31,402.65-47,108.07-10,344.86

Finding the Fourth Proportional to 31,402.65, 47,108.07 and 10,344.86

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Solution

The fourth proportional to 31,402.65, 47,108.07 and 10,344.86 is: 15,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.65 : 47,108.07 = 10,344.86 : x
  2. Step 2: Convert to fraction form
    31,402.65/47,108.07 = 10,344.86/x
  3. Step 3: Cross multiply
    31,402.65x = 47,108.07 × 10,344.86
  4. Step 4: Simplify right side
    31,402.65x = 487,326,153.48
  5. Step 5: Solve for x
    x = 487,326,153.48/31,402.65
  6. Step 6: Final answer
    x = 15,518.63

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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.