Home / 37,545.77-51,824.69-21,640.80

Finding the Fourth Proportional to 37,545.77, 51,824.69 and 21,640.80

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Solution

The fourth proportional to 37,545.77, 51,824.69 and 21,640.80 is: 29,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,545.77 : 51,824.69 = 21,640.80 : x
  2. Step 2: Convert to fraction form
    37,545.77/51,824.69 = 21,640.80/x
  3. Step 3: Cross multiply
    37,545.77x = 51,824.69 × 21,640.80
  4. Step 4: Simplify right side
    37,545.77x = 1,121,527,643.15
  5. Step 5: Solve for x
    x = 1,121,527,643.15/37,545.77
  6. Step 6: Final answer
    x = 29,870.95

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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.