Home / 35,545.87-49,062.80-20,440.18

Finding the Fourth Proportional to 35,545.87, 49,062.80 and 20,440.18

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Solution

The fourth proportional to 35,545.87, 49,062.80 and 20,440.18 is: 28,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.87 : 49,062.80 = 20,440.18 : x
  2. Step 2: Convert to fraction form
    35,545.87/49,062.80 = 20,440.18/x
  3. Step 3: Cross multiply
    35,545.87x = 49,062.80 × 20,440.18
  4. Step 4: Simplify right side
    35,545.87x = 1,002,852,115.79
  5. Step 5: Solve for x
    x = 1,002,852,115.79/35,545.87
  6. Step 6: Final answer
    x = 28,212.91

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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.