Home / 71,415.27-98,552.90-39,149.83

Finding the Fourth Proportional to 71,415.27, 98,552.90 and 39,149.83

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Solution

The fourth proportional to 71,415.27, 98,552.90 and 39,149.83 is: 54,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,415.27 : 98,552.90 = 39,149.83 : x
  2. Step 2: Convert to fraction form
    71,415.27/98,552.90 = 39,149.83/x
  3. Step 3: Cross multiply
    71,415.27x = 98,552.90 × 39,149.83
  4. Step 4: Simplify right side
    71,415.27x = 3,858,329,502.07
  5. Step 5: Solve for x
    x = 3,858,329,502.07/71,415.27
  6. Step 6: Final answer
    x = 54,026.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.