Home / 36,135.20-54,220.08-28,359.20

Finding the Fourth Proportional to 36,135.20, 54,220.08 and 28,359.20

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Solution

The fourth proportional to 36,135.20, 54,220.08 and 28,359.20 is: 42,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.20 : 54,220.08 = 28,359.20 : x
  2. Step 2: Convert to fraction form
    36,135.20/54,220.08 = 28,359.20/x
  3. Step 3: Cross multiply
    36,135.20x = 54,220.08 × 28,359.20
  4. Step 4: Simplify right side
    36,135.20x = 1,537,638,092.74
  5. Step 5: Solve for x
    x = 1,537,638,092.74/36,135.20
  6. Step 6: Final answer
    x = 42,552.36

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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.