Home / 43,487.35-65,237.10-18,527.20

Finding the Fourth Proportional to 43,487.35, 65,237.10 and 18,527.20

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Solution

The fourth proportional to 43,487.35, 65,237.10 and 18,527.20 is: 27,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.35 : 65,237.10 = 18,527.20 : x
  2. Step 2: Convert to fraction form
    43,487.35/65,237.10 = 18,527.20/x
  3. Step 3: Cross multiply
    43,487.35x = 65,237.10 × 18,527.20
  4. Step 4: Simplify right side
    43,487.35x = 1,208,660,799.12
  5. Step 5: Solve for x
    x = 1,208,660,799.12/43,487.35
  6. Step 6: Final answer
    x = 27,793.39

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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.