Home / 37,424.49-51,645.54-20,428.66

Finding the Fourth Proportional to 37,424.49, 51,645.54 and 20,428.66

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Solution

The fourth proportional to 37,424.49, 51,645.54 and 20,428.66 is: 28,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,424.49 : 51,645.54 = 20,428.66 : x
  2. Step 2: Convert to fraction form
    37,424.49/51,645.54 = 20,428.66/x
  3. Step 3: Cross multiply
    37,424.49x = 51,645.54 × 20,428.66
  4. Step 4: Simplify right side
    37,424.49x = 1,055,049,177.18
  5. Step 5: Solve for x
    x = 1,055,049,177.18/37,424.49
  6. Step 6: Final answer
    x = 28,191.41

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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.