Home / 71,039.92-98,035.28-38,774.82

Finding the Fourth Proportional to 71,039.92, 98,035.28 and 38,774.82

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Solution

The fourth proportional to 71,039.92, 98,035.28 and 38,774.82 is: 53,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,039.92 : 98,035.28 = 38,774.82 : x
  2. Step 2: Convert to fraction form
    71,039.92/98,035.28 = 38,774.82/x
  3. Step 3: Cross multiply
    71,039.92x = 98,035.28 × 38,774.82
  4. Step 4: Simplify right side
    71,039.92x = 3,801,300,335.65
  5. Step 5: Solve for x
    x = 3,801,300,335.65/71,039.92
  6. Step 6: Final answer
    x = 53,509.36

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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.