Home / 32,378.64-44,689.17-20,433.96

Finding the Fourth Proportional to 32,378.64, 44,689.17 and 20,433.96

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Solution

The fourth proportional to 32,378.64, 44,689.17 and 20,433.96 is: 28,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,378.64 : 44,689.17 = 20,433.96 : x
  2. Step 2: Convert to fraction form
    32,378.64/44,689.17 = 20,433.96/x
  3. Step 3: Cross multiply
    32,378.64x = 44,689.17 × 20,433.96
  4. Step 4: Simplify right side
    32,378.64x = 913,176,712.21
  5. Step 5: Solve for x
    x = 913,176,712.21/32,378.64
  6. Step 6: Final answer
    x = 28,203.06

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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.