Home / 35,518.92-49,013.49-20,411.61

Finding the Fourth Proportional to 35,518.92, 49,013.49 and 20,411.61

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Solution

The fourth proportional to 35,518.92, 49,013.49 and 20,411.61 is: 28,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.92 : 49,013.49 = 20,411.61 : x
  2. Step 2: Convert to fraction form
    35,518.92/49,013.49 = 20,411.61/x
  3. Step 3: Cross multiply
    35,518.92x = 49,013.49 × 20,411.61
  4. Step 4: Simplify right side
    35,518.92x = 1,000,443,997.55
  5. Step 5: Solve for x
    x = 1,000,443,997.55/35,518.92
  6. Step 6: Final answer
    x = 28,166.51

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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.