Home / 39,454.74-59,191.68-13,161.54

Finding the Fourth Proportional to 39,454.74, 59,191.68 and 13,161.54

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Solution

The fourth proportional to 39,454.74, 59,191.68 and 13,161.54 is: 19,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,454.74 : 59,191.68 = 13,161.54 : x
  2. Step 2: Convert to fraction form
    39,454.74/59,191.68 = 13,161.54/x
  3. Step 3: Cross multiply
    39,454.74x = 59,191.68 × 13,161.54
  4. Step 4: Simplify right side
    39,454.74x = 779,053,663.99
  5. Step 5: Solve for x
    x = 779,053,663.99/39,454.74
  6. Step 6: Final answer
    x = 19,745.50

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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.