Home / 39,540.84-54,564.28-22,545.60

Finding the Fourth Proportional to 39,540.84, 54,564.28 and 22,545.60

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Solution

The fourth proportional to 39,540.84, 54,564.28 and 22,545.60 is: 31,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540.84 : 54,564.28 = 22,545.60 : x
  2. Step 2: Convert to fraction form
    39,540.84/54,564.28 = 22,545.60/x
  3. Step 3: Cross multiply
    39,540.84x = 54,564.28 × 22,545.60
  4. Step 4: Simplify right side
    39,540.84x = 1,230,184,431.17
  5. Step 5: Solve for x
    x = 1,230,184,431.17/39,540.84
  6. Step 6: Final answer
    x = 31,111.74

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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.