Home / 43,748.40-65,586.60-18,807.60

Finding the Fourth Proportional to 43,748.40, 65,586.60 and 18,807.60

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Solution

The fourth proportional to 43,748.40, 65,586.60 and 18,807.60 is: 28,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,748.40 : 65,586.60 = 18,807.60 : x
  2. Step 2: Convert to fraction form
    43,748.40/65,586.60 = 18,807.60/x
  3. Step 3: Cross multiply
    43,748.40x = 65,586.60 × 18,807.60
  4. Step 4: Simplify right side
    43,748.40x = 1,233,526,538.16
  5. Step 5: Solve for x
    x = 1,233,526,538.16/43,748.40
  6. Step 6: Final answer
    x = 28,195.92

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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.