Home / 43,611.60-65,287.80-38,427.60

Finding the Fourth Proportional to 43,611.60, 65,287.80 and 38,427.60

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Solution

The fourth proportional to 43,611.60, 65,287.80 and 38,427.60 is: 57,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.60 : 65,287.80 = 38,427.60 : x
  2. Step 2: Convert to fraction form
    43,611.60/65,287.80 = 38,427.60/x
  3. Step 3: Cross multiply
    43,611.60x = 65,287.80 × 38,427.60
  4. Step 4: Simplify right side
    43,611.60x = 2,508,853,463.28
  5. Step 5: Solve for x
    x = 2,508,853,463.28/43,611.60
  6. Step 6: Final answer
    x = 57,527.21

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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.