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Finding the Fourth Proportional to 36,498.52, 54,751.28 and 16,782.56

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Solution

The fourth proportional to 36,498.52, 54,751.28 and 16,782.56 is: 25,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,498.52 : 54,751.28 = 16,782.56 : x
  2. Step 2: Convert to fraction form
    36,498.52/54,751.28 = 16,782.56/x
  3. Step 3: Cross multiply
    36,498.52x = 54,751.28 × 16,782.56
  4. Step 4: Simplify right side
    36,498.52x = 918,866,641.68
  5. Step 5: Solve for x
    x = 918,866,641.68/36,498.52
  6. Step 6: Final answer
    x = 25,175.45

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1.5x scale

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.