Home / 31,500.48-43,476.94-18,080.80

Finding the Fourth Proportional to 31,500.48, 43,476.94 and 18,080.80

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Solution

The fourth proportional to 31,500.48, 43,476.94 and 18,080.80 is: 24,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.48 : 43,476.94 = 18,080.80 : x
  2. Step 2: Convert to fraction form
    31,500.48/43,476.94 = 18,080.80/x
  3. Step 3: Cross multiply
    31,500.48x = 43,476.94 × 18,080.80
  4. Step 4: Simplify right side
    31,500.48x = 786,097,856.75
  5. Step 5: Solve for x
    x = 786,097,856.75/31,500.48
  6. Step 6: Final answer
    x = 24,955.11

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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.