Home / 43,281.20-64,912.40-13,701.44

Finding the Fourth Proportional to 43,281.20, 64,912.40 and 13,701.44

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Solution

The fourth proportional to 43,281.20, 64,912.40 and 13,701.44 is: 20,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.20 : 64,912.40 = 13,701.44 : x
  2. Step 2: Convert to fraction form
    43,281.20/64,912.40 = 13,701.44/x
  3. Step 3: Cross multiply
    43,281.20x = 64,912.40 × 13,701.44
  4. Step 4: Simplify right side
    43,281.20x = 889,393,353.86
  5. Step 5: Solve for x
    x = 889,393,353.86/43,281.20
  6. Step 6: Final answer
    x = 20,549.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.