Home / 71,215.18-98,272.94-38,943.39

Finding the Fourth Proportional to 71,215.18, 98,272.94 and 38,943.39

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Solution

The fourth proportional to 71,215.18, 98,272.94 and 38,943.39 is: 53,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,215.18 : 98,272.94 = 38,943.39 : x
  2. Step 2: Convert to fraction form
    71,215.18/98,272.94 = 38,943.39/x
  3. Step 3: Cross multiply
    71,215.18x = 98,272.94 × 38,943.39
  4. Step 4: Simplify right side
    71,215.18x = 3,827,081,526.23
  5. Step 5: Solve for x
    x = 3,827,081,526.23/71,215.18
  6. Step 6: Final answer
    x = 53,739.69

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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.