Home / 31,549.26-43,449.38-30,860.35

Finding the Fourth Proportional to 31,549.26, 43,449.38 and 30,860.35

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Solution

The fourth proportional to 31,549.26, 43,449.38 and 30,860.35 is: 42,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.26 : 43,449.38 = 30,860.35 : x
  2. Step 2: Convert to fraction form
    31,549.26/43,449.38 = 30,860.35/x
  3. Step 3: Cross multiply
    31,549.26x = 43,449.38 × 30,860.35
  4. Step 4: Simplify right side
    31,549.26x = 1,340,863,074.08
  5. Step 5: Solve for x
    x = 1,340,863,074.08/31,549.26
  6. Step 6: Final answer
    x = 42,500.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.