Home / 32,969.57-45,506.15-18,830.61

Finding the Fourth Proportional to 32,969.57, 45,506.15 and 18,830.61

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Solution

The fourth proportional to 32,969.57, 45,506.15 and 18,830.61 is: 25,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,969.57 : 45,506.15 = 18,830.61 : x
  2. Step 2: Convert to fraction form
    32,969.57/45,506.15 = 18,830.61/x
  3. Step 3: Cross multiply
    32,969.57x = 45,506.15 × 18,830.61
  4. Step 4: Simplify right side
    32,969.57x = 856,908,469.10
  5. Step 5: Solve for x
    x = 856,908,469.10/32,969.57
  6. Step 6: Final answer
    x = 25,990.89

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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.