Home / 35,929.20-49,582.39-21,589.28

Finding the Fourth Proportional to 35,929.20, 49,582.39 and 21,589.28

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Solution

The fourth proportional to 35,929.20, 49,582.39 and 21,589.28 is: 29,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,929.20 : 49,582.39 = 21,589.28 : x
  2. Step 2: Convert to fraction form
    35,929.20/49,582.39 = 21,589.28/x
  3. Step 3: Cross multiply
    35,929.20x = 49,582.39 × 21,589.28
  4. Step 4: Simplify right side
    35,929.20x = 1,070,447,879.85
  5. Step 5: Solve for x
    x = 1,070,447,879.85/35,929.20
  6. Step 6: Final answer
    x = 29,793.25

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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.