Home / 71,228.04-98,296.44-39,397.56

Finding the Fourth Proportional to 71,228.04, 98,296.44 and 39,397.56

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Solution

The fourth proportional to 71,228.04, 98,296.44 and 39,397.56 is: 54,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,228.04 : 98,296.44 = 39,397.56 : x
  2. Step 2: Convert to fraction form
    71,228.04/98,296.44 = 39,397.56/x
  3. Step 3: Cross multiply
    71,228.04x = 98,296.44 × 39,397.56
  4. Step 4: Simplify right side
    71,228.04x = 3,872,639,892.69
  5. Step 5: Solve for x
    x = 3,872,639,892.69/71,228.04
  6. Step 6: Final answer
    x = 54,369.60

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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.