Home / 39,258.04-54,176.49-21,353.47

Finding the Fourth Proportional to 39,258.04, 54,176.49 and 21,353.47

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Solution

The fourth proportional to 39,258.04, 54,176.49 and 21,353.47 is: 29,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,258.04 : 54,176.49 = 21,353.47 : x
  2. Step 2: Convert to fraction form
    39,258.04/54,176.49 = 21,353.47/x
  3. Step 3: Cross multiply
    39,258.04x = 54,176.49 × 21,353.47
  4. Step 4: Simplify right side
    39,258.04x = 1,156,856,053.92
  5. Step 5: Solve for x
    x = 1,156,856,053.92/39,258.04
  6. Step 6: Final answer
    x = 29,468.00

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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.