Home / 32,885.90-45,382.48-17,778.57

Finding the Fourth Proportional to 32,885.90, 45,382.48 and 17,778.57

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Solution

The fourth proportional to 32,885.90, 45,382.48 and 17,778.57 is: 24,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.90 : 45,382.48 = 17,778.57 : x
  2. Step 2: Convert to fraction form
    32,885.90/45,382.48 = 17,778.57/x
  3. Step 3: Cross multiply
    32,885.90x = 45,382.48 × 17,778.57
  4. Step 4: Simplify right side
    32,885.90x = 806,835,508.56
  5. Step 5: Solve for x
    x = 806,835,508.56/32,885.90
  6. Step 6: Final answer
    x = 24,534.39

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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.