Home / 45,309.39-67,948.70-17,222.69

Finding the Fourth Proportional to 45,309.39, 67,948.70 and 17,222.69

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Solution

The fourth proportional to 45,309.39, 67,948.70 and 17,222.69 is: 25,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,309.39 : 67,948.70 = 17,222.69 : x
  2. Step 2: Convert to fraction form
    45,309.39/67,948.70 = 17,222.69/x
  3. Step 3: Cross multiply
    45,309.39x = 67,948.70 × 17,222.69
  4. Step 4: Simplify right side
    45,309.39x = 1,170,258,970.15
  5. Step 5: Solve for x
    x = 1,170,258,970.15/45,309.39
  6. Step 6: Final answer
    x = 25,828.18

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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.