Home / 39,878.48-59,751.84-17,658.56

Finding the Fourth Proportional to 39,878.48, 59,751.84 and 17,658.56

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Solution

The fourth proportional to 39,878.48, 59,751.84 and 17,658.56 is: 26,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878.48 : 59,751.84 = 17,658.56 : x
  2. Step 2: Convert to fraction form
    39,878.48/59,751.84 = 17,658.56/x
  3. Step 3: Cross multiply
    39,878.48x = 59,751.84 × 17,658.56
  4. Step 4: Simplify right side
    39,878.48x = 1,055,131,451.75
  5. Step 5: Solve for x
    x = 1,055,131,451.75/39,878.48
  6. Step 6: Final answer
    x = 26,458.67

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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.