Home / 37,088.67-51,182.39-21,988.78

Finding the Fourth Proportional to 37,088.67, 51,182.39 and 21,988.78

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Solution

The fourth proportional to 37,088.67, 51,182.39 and 21,988.78 is: 30,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,088.67 : 51,182.39 = 21,988.78 : x
  2. Step 2: Convert to fraction form
    37,088.67/51,182.39 = 21,988.78/x
  3. Step 3: Cross multiply
    37,088.67x = 51,182.39 × 21,988.78
  4. Step 4: Simplify right side
    37,088.67x = 1,125,438,313.58
  5. Step 5: Solve for x
    x = 1,125,438,313.58/37,088.67
  6. Step 6: Final answer
    x = 30,344.53

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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.