Home / 39,294.48-54,227.16-30,806.76

Finding the Fourth Proportional to 39,294.48, 54,227.16 and 30,806.76

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Solution

The fourth proportional to 39,294.48, 54,227.16 and 30,806.76 is: 42,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,294.48 : 54,227.16 = 30,806.76 : x
  2. Step 2: Convert to fraction form
    39,294.48/54,227.16 = 30,806.76/x
  3. Step 3: Cross multiply
    39,294.48x = 54,227.16 × 30,806.76
  4. Step 4: Simplify right side
    39,294.48x = 1,670,563,103.60
  5. Step 5: Solve for x
    x = 1,670,563,103.60/39,294.48
  6. Step 6: Final answer
    x = 42,513.94

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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.