Home / 71,296.14-98,387.48-39,464.36

Finding the Fourth Proportional to 71,296.14, 98,387.48 and 39,464.36

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Solution

The fourth proportional to 71,296.14, 98,387.48 and 39,464.36 is: 54,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,296.14 : 98,387.48 = 39,464.36 : x
  2. Step 2: Convert to fraction form
    71,296.14/98,387.48 = 39,464.36/x
  3. Step 3: Cross multiply
    71,296.14x = 98,387.48 × 39,464.36
  4. Step 4: Simplify right side
    71,296.14x = 3,882,798,536.94
  5. Step 5: Solve for x
    x = 3,882,798,536.94/71,296.14
  6. Step 6: Final answer
    x = 54,460.15

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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.