Home / 31,589.46-47,386.26-9,100.74

Finding the Fourth Proportional to 31,589.46, 47,386.26 and 9,100.74

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Solution

The fourth proportional to 31,589.46, 47,386.26 and 9,100.74 is: 13,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.46 : 47,386.26 = 9,100.74 : x
  2. Step 2: Convert to fraction form
    31,589.46/47,386.26 = 9,100.74/x
  3. Step 3: Cross multiply
    31,589.46x = 47,386.26 × 9,100.74
  4. Step 4: Simplify right side
    31,589.46x = 431,250,031.83
  5. Step 5: Solve for x
    x = 431,250,031.83/31,589.46
  6. Step 6: Final answer
    x = 13,651.71

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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.