Home / 31,344.74-47,021.51-9,159.74

Finding the Fourth Proportional to 31,344.74, 47,021.51 and 9,159.74

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Solution

The fourth proportional to 31,344.74, 47,021.51 and 9,159.74 is: 13,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.74 : 47,021.51 = 9,159.74 : x
  2. Step 2: Convert to fraction form
    31,344.74/47,021.51 = 9,159.74/x
  3. Step 3: Cross multiply
    31,344.74x = 47,021.51 × 9,159.74
  4. Step 4: Simplify right side
    31,344.74x = 430,704,806.01
  5. Step 5: Solve for x
    x = 430,704,806.01/31,344.74
  6. Step 6: Final answer
    x = 13,740.90

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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.