Home / 71,235.22-98,298.48-39,396.20

Finding the Fourth Proportional to 71,235.22, 98,298.48 and 39,396.20

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Solution

The fourth proportional to 71,235.22, 98,298.48 and 39,396.20 is: 54,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,235.22 : 98,298.48 = 39,396.20 : x
  2. Step 2: Convert to fraction form
    71,235.22/98,298.48 = 39,396.20/x
  3. Step 3: Cross multiply
    71,235.22x = 98,298.48 × 39,396.20
  4. Step 4: Simplify right side
    71,235.22x = 3,872,586,577.78
  5. Step 5: Solve for x
    x = 3,872,586,577.78/71,235.22
  6. Step 6: Final answer
    x = 54,363.37

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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.