Home / 37,177.79-55,767.29-12,220.47

Finding the Fourth Proportional to 37,177.79, 55,767.29 and 12,220.47

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Solution

The fourth proportional to 37,177.79, 55,767.29 and 12,220.47 is: 18,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,177.79 : 55,767.29 = 12,220.47 : x
  2. Step 2: Convert to fraction form
    37,177.79/55,767.29 = 12,220.47/x
  3. Step 3: Cross multiply
    37,177.79x = 55,767.29 × 12,220.47
  4. Step 4: Simplify right side
    37,177.79x = 681,502,433.32
  5. Step 5: Solve for x
    x = 681,502,433.32/37,177.79
  6. Step 6: Final answer
    x = 18,330.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.