Home / 32,377.60-44,684.64-20,440.32

Finding the Fourth Proportional to 32,377.60, 44,684.64 and 20,440.32

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Solution

The fourth proportional to 32,377.60, 44,684.64 and 20,440.32 is: 28,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,377.60 : 44,684.64 = 20,440.32 : x
  2. Step 2: Convert to fraction form
    32,377.60/44,684.64 = 20,440.32/x
  3. Step 3: Cross multiply
    32,377.60x = 44,684.64 × 20,440.32
  4. Step 4: Simplify right side
    32,377.60x = 913,368,340.68
  5. Step 5: Solve for x
    x = 913,368,340.68/32,377.60
  6. Step 6: Final answer
    x = 28,209.88

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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.