Home / 29,488.80-40,708.44-17,385.57

Finding the Fourth Proportional to 29,488.80, 40,708.44 and 17,385.57

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Solution

The fourth proportional to 29,488.80, 40,708.44 and 17,385.57 is: 24,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488.80 : 40,708.44 = 17,385.57 : x
  2. Step 2: Convert to fraction form
    29,488.80/40,708.44 = 17,385.57/x
  3. Step 3: Cross multiply
    29,488.80x = 40,708.44 × 17,385.57
  4. Step 4: Simplify right side
    29,488.80x = 707,739,433.21
  5. Step 5: Solve for x
    x = 707,739,433.21/29,488.80
  6. Step 6: Final answer
    x = 24,000.28

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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.