Home / 43,150.76-64,751.30-18,189.28

Finding the Fourth Proportional to 43,150.76, 64,751.30 and 18,189.28

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Solution

The fourth proportional to 43,150.76, 64,751.30 and 18,189.28 is: 27,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,150.76 : 64,751.30 = 18,189.28 : x
  2. Step 2: Convert to fraction form
    43,150.76/64,751.30 = 18,189.28/x
  3. Step 3: Cross multiply
    43,150.76x = 64,751.30 × 18,189.28
  4. Step 4: Simplify right side
    43,150.76x = 1,177,779,526.06
  5. Step 5: Solve for x
    x = 1,177,779,526.06/43,150.76
  6. Step 6: Final answer
    x = 27,294.53

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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.