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Finding the Fourth Proportional to 60,030.90, 82,844.91 and 33,174.54

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Solution

The fourth proportional to 60,030.90, 82,844.91 and 33,174.54 is: 45,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,030.90 : 82,844.91 = 33,174.54 : x
  2. Step 2: Convert to fraction form
    60,030.90/82,844.91 = 33,174.54/x
  3. Step 3: Cross multiply
    60,030.90x = 82,844.91 × 33,174.54
  4. Step 4: Simplify right side
    60,030.90x = 2,748,341,780.59
  5. Step 5: Solve for x
    x = 2,748,341,780.59/60,030.90
  6. Step 6: Final answer
    x = 45,782.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.