Home / 71,046.30-98,043.36-39,215.19

Finding the Fourth Proportional to 71,046.30, 98,043.36 and 39,215.19

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Solution

The fourth proportional to 71,046.30, 98,043.36 and 39,215.19 is: 54,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,046.30 : 98,043.36 = 39,215.19 : x
  2. Step 2: Convert to fraction form
    71,046.30/98,043.36 = 39,215.19/x
  3. Step 3: Cross multiply
    71,046.30x = 98,043.36 × 39,215.19
  4. Step 4: Simplify right side
    71,046.30x = 3,844,788,990.64
  5. Step 5: Solve for x
    x = 3,844,788,990.64/71,046.30
  6. Step 6: Final answer
    x = 54,116.67

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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.