Home / 60,386.33-90,579.68-20,943.44

Finding the Fourth Proportional to 60,386.33, 90,579.68 and 20,943.44

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Solution

The fourth proportional to 60,386.33, 90,579.68 and 20,943.44 is: 31,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,386.33 : 90,579.68 = 20,943.44 : x
  2. Step 2: Convert to fraction form
    60,386.33/90,579.68 = 20,943.44/x
  3. Step 3: Cross multiply
    60,386.33x = 90,579.68 × 20,943.44
  4. Step 4: Simplify right side
    60,386.33x = 1,897,050,372.11
  5. Step 5: Solve for x
    x = 1,897,050,372.11/60,386.33
  6. Step 6: Final answer
    x = 31,415.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.