Home / 35,524.24-49,025.08-20,421.78

Finding the Fourth Proportional to 35,524.24, 49,025.08 and 20,421.78

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Solution

The fourth proportional to 35,524.24, 49,025.08 and 20,421.78 is: 28,182.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,524.24 : 49,025.08 = 20,421.78 : x
  2. Step 2: Convert to fraction form
    35,524.24/49,025.08 = 20,421.78/x
  3. Step 3: Cross multiply
    35,524.24x = 49,025.08 × 20,421.78
  4. Step 4: Simplify right side
    35,524.24x = 1,001,179,398.24
  5. Step 5: Solve for x
    x = 1,001,179,398.24/35,524.24
  6. Step 6: Final answer
    x = 28,182.99

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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.