Home / 29,329.19-40,429.49-17,977.65

Finding the Fourth Proportional to 29,329.19, 40,429.49 and 17,977.65

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Solution

The fourth proportional to 29,329.19, 40,429.49 and 17,977.65 is: 24,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.19 : 40,429.49 = 17,977.65 : x
  2. Step 2: Convert to fraction form
    29,329.19/40,429.49 = 17,977.65/x
  3. Step 3: Cross multiply
    29,329.19x = 40,429.49 × 17,977.65
  4. Step 4: Simplify right side
    29,329.19x = 726,827,220.90
  5. Step 5: Solve for x
    x = 726,827,220.90/29,329.19
  6. Step 6: Final answer
    x = 24,781.70

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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.