Home / 32,146.60-44,346.66-20,812.84

Finding the Fourth Proportional to 32,146.60, 44,346.66 and 20,812.84

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Solution

The fourth proportional to 32,146.60, 44,346.66 and 20,812.84 is: 28,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,146.60 : 44,346.66 = 20,812.84 : x
  2. Step 2: Convert to fraction form
    32,146.60/44,346.66 = 20,812.84/x
  3. Step 3: Cross multiply
    32,146.60x = 44,346.66 × 20,812.84
  4. Step 4: Simplify right side
    32,146.60x = 922,979,939.11
  5. Step 5: Solve for x
    x = 922,979,939.11/32,146.60
  6. Step 6: Final answer
    x = 28,711.59

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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.