Home / 69,398.48-95,774.16-39,172.80

Finding the Fourth Proportional to 69,398.48, 95,774.16 and 39,172.80

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Solution

The fourth proportional to 69,398.48, 95,774.16 and 39,172.80 is: 54,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,398.48 : 95,774.16 = 39,172.80 : x
  2. Step 2: Convert to fraction form
    69,398.48/95,774.16 = 39,172.80/x
  3. Step 3: Cross multiply
    69,398.48x = 95,774.16 × 39,172.80
  4. Step 4: Simplify right side
    69,398.48x = 3,751,742,014.85
  5. Step 5: Solve for x
    x = 3,751,742,014.85/69,398.48
  6. Step 6: Final answer
    x = 54,060.87

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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.