Home / 42,748.56-64,119.60-15,027.12

Finding the Fourth Proportional to 42,748.56, 64,119.60 and 15,027.12

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Solution

The fourth proportional to 42,748.56, 64,119.60 and 15,027.12 is: 22,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,748.56 : 64,119.60 = 15,027.12 : x
  2. Step 2: Convert to fraction form
    42,748.56/64,119.60 = 15,027.12/x
  3. Step 3: Cross multiply
    42,748.56x = 64,119.60 × 15,027.12
  4. Step 4: Simplify right side
    42,748.56x = 963,532,923.55
  5. Step 5: Solve for x
    x = 963,532,923.55/42,748.56
  6. Step 6: Final answer
    x = 22,539.54

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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.