Home / 71,267.76-98,351.55-39,439.62

Finding the Fourth Proportional to 71,267.76, 98,351.55 and 39,439.62

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Solution

The fourth proportional to 71,267.76, 98,351.55 and 39,439.62 is: 54,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,267.76 : 98,351.55 = 39,439.62 : x
  2. Step 2: Convert to fraction form
    71,267.76/98,351.55 = 39,439.62/x
  3. Step 3: Cross multiply
    71,267.76x = 98,351.55 × 39,439.62
  4. Step 4: Simplify right side
    71,267.76x = 3,878,947,758.41
  5. Step 5: Solve for x
    x = 3,878,947,758.41/71,267.76
  6. Step 6: Final answer
    x = 54,427.81

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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.