Home / 39,491.38-59,240.13-13,196.21

Finding the Fourth Proportional to 39,491.38, 59,240.13 and 13,196.21

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Solution

The fourth proportional to 39,491.38, 59,240.13 and 13,196.21 is: 19,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.38 : 59,240.13 = 13,196.21 : x
  2. Step 2: Convert to fraction form
    39,491.38/59,240.13 = 13,196.21/x
  3. Step 3: Cross multiply
    39,491.38x = 59,240.13 × 13,196.21
  4. Step 4: Simplify right side
    39,491.38x = 781,745,401.56
  5. Step 5: Solve for x
    x = 781,745,401.56/39,491.38
  6. Step 6: Final answer
    x = 19,795.34

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1.5x scale

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.