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Finding the Fourth Proportional to 60,034.53, 90,048.54 and 30,451.59

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Solution

The fourth proportional to 60,034.53, 90,048.54 and 30,451.59 is: 45,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,034.53 : 90,048.54 = 30,451.59 : x
  2. Step 2: Convert to fraction form
    60,034.53/90,048.54 = 30,451.59/x
  3. Step 3: Cross multiply
    60,034.53x = 90,048.54 × 30,451.59
  4. Step 4: Simplify right side
    60,034.53x = 2,742,121,220.18
  5. Step 5: Solve for x
    x = 2,742,121,220.18/60,034.53
  6. Step 6: Final answer
    x = 45,675.73

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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.