Home / 35,821.83-49,428.61-20,711.58

Finding the Fourth Proportional to 35,821.83, 49,428.61 and 20,711.58

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Solution

The fourth proportional to 35,821.83, 49,428.61 and 20,711.58 is: 28,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.83 : 49,428.61 = 20,711.58 : x
  2. Step 2: Convert to fraction form
    35,821.83/49,428.61 = 20,711.58/x
  3. Step 3: Cross multiply
    35,821.83x = 49,428.61 × 20,711.58
  4. Step 4: Simplify right side
    35,821.83x = 1,023,744,610.30
  5. Step 5: Solve for x
    x = 1,023,744,610.30/35,821.83
  6. Step 6: Final answer
    x = 28,578.79

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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.