Home / 31,329.06-43,230.11-17,901.18

Finding the Fourth Proportional to 31,329.06, 43,230.11 and 17,901.18

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Solution

The fourth proportional to 31,329.06, 43,230.11 and 17,901.18 is: 24,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.06 : 43,230.11 = 17,901.18 : x
  2. Step 2: Convert to fraction form
    31,329.06/43,230.11 = 17,901.18/x
  3. Step 3: Cross multiply
    31,329.06x = 43,230.11 × 17,901.18
  4. Step 4: Simplify right side
    31,329.06x = 773,869,980.53
  5. Step 5: Solve for x
    x = 773,869,980.53/31,329.06
  6. Step 6: Final answer
    x = 24,701.35

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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.