Home / 39,045.28-58,563.06-12,747.82

Finding the Fourth Proportional to 39,045.28, 58,563.06 and 12,747.82

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Solution

The fourth proportional to 39,045.28, 58,563.06 and 12,747.82 is: 19,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.28 : 58,563.06 = 12,747.82 : x
  2. Step 2: Convert to fraction form
    39,045.28/58,563.06 = 12,747.82/x
  3. Step 3: Cross multiply
    39,045.28x = 58,563.06 × 12,747.82
  4. Step 4: Simplify right side
    39,045.28x = 746,551,347.53
  5. Step 5: Solve for x
    x = 746,551,347.53/39,045.28
  6. Step 6: Final answer
    x = 19,120.14

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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.