Home / 35,800.61-49,411.31-20,691.18

Finding the Fourth Proportional to 35,800.61, 49,411.31 and 20,691.18

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Solution

The fourth proportional to 35,800.61, 49,411.31 and 20,691.18 is: 28,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,800.61 : 49,411.31 = 20,691.18 : x
  2. Step 2: Convert to fraction form
    35,800.61/49,411.31 = 20,691.18/x
  3. Step 3: Cross multiply
    35,800.61x = 49,411.31 × 20,691.18
  4. Step 4: Simplify right side
    35,800.61x = 1,022,378,205.79
  5. Step 5: Solve for x
    x = 1,022,378,205.79/35,800.61
  6. Step 6: Final answer
    x = 28,557.57

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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.