Home / 32,373.60-44,679.12-20,436.32

Finding the Fourth Proportional to 32,373.60, 44,679.12 and 20,436.32

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Solution

The fourth proportional to 32,373.60, 44,679.12 and 20,436.32 is: 28,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,373.60 : 44,679.12 = 20,436.32 : x
  2. Step 2: Convert to fraction form
    32,373.60/44,679.12 = 20,436.32/x
  3. Step 3: Cross multiply
    32,373.60x = 44,679.12 × 20,436.32
  4. Step 4: Simplify right side
    32,373.60x = 913,076,793.64
  5. Step 5: Solve for x
    x = 913,076,793.64/32,373.60
  6. Step 6: Final answer
    x = 28,204.36

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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.