Home / 35,814.20-49,418.10-20,703.92

Finding the Fourth Proportional to 35,814.20, 49,418.10 and 20,703.92

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Solution

The fourth proportional to 35,814.20, 49,418.10 and 20,703.92 is: 28,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,814.20 : 49,418.10 = 20,703.92 : x
  2. Step 2: Convert to fraction form
    35,814.20/49,418.10 = 20,703.92/x
  3. Step 3: Cross multiply
    35,814.20x = 49,418.10 × 20,703.92
  4. Step 4: Simplify right side
    35,814.20x = 1,023,148,388.95
  5. Step 5: Solve for x
    x = 1,023,148,388.95/35,814.20
  6. Step 6: Final answer
    x = 28,568.23

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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.