Home / 39,384.85-54,348.94-22,386.73

Finding the Fourth Proportional to 39,384.85, 54,348.94 and 22,386.73

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Solution

The fourth proportional to 39,384.85, 54,348.94 and 22,386.73 is: 30,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.85 : 54,348.94 = 22,386.73 : x
  2. Step 2: Convert to fraction form
    39,384.85/54,348.94 = 22,386.73/x
  3. Step 3: Cross multiply
    39,384.85x = 54,348.94 × 22,386.73
  4. Step 4: Simplify right side
    39,384.85x = 1,216,695,045.57
  5. Step 5: Solve for x
    x = 1,216,695,045.57/39,384.85
  6. Step 6: Final answer
    x = 30,892.46

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Double scale
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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.