Home / 31,329.09-43,230.15-17,901.22

Finding the Fourth Proportional to 31,329.09, 43,230.15 and 17,901.22

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Solution

The fourth proportional to 31,329.09, 43,230.15 and 17,901.22 is: 24,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.09 : 43,230.15 = 17,901.22 : x
  2. Step 2: Convert to fraction form
    31,329.09/43,230.15 = 17,901.22/x
  3. Step 3: Cross multiply
    31,329.09x = 43,230.15 × 17,901.22
  4. Step 4: Simplify right side
    31,329.09x = 773,872,425.78
  5. Step 5: Solve for x
    x = 773,872,425.78/31,329.09
  6. Step 6: Final answer
    x = 24,701.40

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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.