Home / 37,545.52-51,824.34-21,640.55

Finding the Fourth Proportional to 37,545.52, 51,824.34 and 21,640.55

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Solution

The fourth proportional to 37,545.52, 51,824.34 and 21,640.55 is: 29,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,545.52 : 51,824.34 = 21,640.55 : x
  2. Step 2: Convert to fraction form
    37,545.52/51,824.34 = 21,640.55/x
  3. Step 3: Cross multiply
    37,545.52x = 51,824.34 × 21,640.55
  4. Step 4: Simplify right side
    37,545.52x = 1,121,507,220.99
  5. Step 5: Solve for x
    x = 1,121,507,220.99/37,545.52
  6. Step 6: Final answer
    x = 29,870.60

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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.