Home / 45,227.79-62,393.36-28,221.03

Finding the Fourth Proportional to 45,227.79, 62,393.36 and 28,221.03

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Solution

The fourth proportional to 45,227.79, 62,393.36 and 28,221.03 is: 38,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,227.79 : 62,393.36 = 28,221.03 : x
  2. Step 2: Convert to fraction form
    45,227.79/62,393.36 = 28,221.03/x
  3. Step 3: Cross multiply
    45,227.79x = 62,393.36 × 28,221.03
  4. Step 4: Simplify right side
    45,227.79x = 1,760,804,743.26
  5. Step 5: Solve for x
    x = 1,760,804,743.26/45,227.79
  6. Step 6: Final answer
    x = 38,931.92

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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.