Home / 32,490.64-44,839.20-18,343.84

Finding the Fourth Proportional to 32,490.64, 44,839.20 and 18,343.84

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Solution

The fourth proportional to 32,490.64, 44,839.20 and 18,343.84 is: 25,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.64 : 44,839.20 = 18,343.84 : x
  2. Step 2: Convert to fraction form
    32,490.64/44,839.20 = 18,343.84/x
  3. Step 3: Cross multiply
    32,490.64x = 44,839.20 × 18,343.84
  4. Step 4: Simplify right side
    32,490.64x = 822,523,110.53
  5. Step 5: Solve for x
    x = 822,523,110.53/32,490.64
  6. Step 6: Final answer
    x = 25,315.69

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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.