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Finding the Fourth Proportional to 33,152.55, 45,749.03 and 18,045.18

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Solution

The fourth proportional to 33,152.55, 45,749.03 and 18,045.18 is: 24,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,152.55 : 45,749.03 = 18,045.18 : x
  2. Step 2: Convert to fraction form
    33,152.55/45,749.03 = 18,045.18/x
  3. Step 3: Cross multiply
    33,152.55x = 45,749.03 × 18,045.18
  4. Step 4: Simplify right side
    33,152.55x = 825,549,390.95
  5. Step 5: Solve for x
    x = 825,549,390.95/33,152.55
  6. Step 6: Final answer
    x = 24,901.54

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1.5x scale

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.