Home / 32,445.50-44,711.80-21,678.17

Finding the Fourth Proportional to 32,445.50, 44,711.80 and 21,678.17

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Solution

The fourth proportional to 32,445.50, 44,711.80 and 21,678.17 is: 29,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,445.50 : 44,711.80 = 21,678.17 : x
  2. Step 2: Convert to fraction form
    32,445.50/44,711.80 = 21,678.17/x
  3. Step 3: Cross multiply
    32,445.50x = 44,711.80 × 21,678.17
  4. Step 4: Simplify right side
    32,445.50x = 969,269,723.65
  5. Step 5: Solve for x
    x = 969,269,723.65/32,445.50
  6. Step 6: Final answer
    x = 29,873.78

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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.