Home / 31,500.47-43,476.95-18,080.80

Finding the Fourth Proportional to 31,500.47, 43,476.95 and 18,080.80

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Solution

The fourth proportional to 31,500.47, 43,476.95 and 18,080.80 is: 24,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.47 : 43,476.95 = 18,080.80 : x
  2. Step 2: Convert to fraction form
    31,500.47/43,476.95 = 18,080.80/x
  3. Step 3: Cross multiply
    31,500.47x = 43,476.95 × 18,080.80
  4. Step 4: Simplify right side
    31,500.47x = 786,098,037.56
  5. Step 5: Solve for x
    x = 786,098,037.56/31,500.47
  6. Step 6: Final answer
    x = 24,955.12

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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.