Home / 31,850.47-43,950.04-18,425.93

Finding the Fourth Proportional to 31,850.47, 43,950.04 and 18,425.93

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Solution

The fourth proportional to 31,850.47, 43,950.04 and 18,425.93 is: 25,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.47 : 43,950.04 = 18,425.93 : x
  2. Step 2: Convert to fraction form
    31,850.47/43,950.04 = 18,425.93/x
  3. Step 3: Cross multiply
    31,850.47x = 43,950.04 × 18,425.93
  4. Step 4: Simplify right side
    31,850.47x = 809,820,445.59
  5. Step 5: Solve for x
    x = 809,820,445.59/31,850.47
  6. Step 6: Final answer
    x = 25,425.70

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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.