Home / 69,477.06-95,894.08-39,279.84

Finding the Fourth Proportional to 69,477.06, 95,894.08 and 39,279.84

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Solution

The fourth proportional to 69,477.06, 95,894.08 and 39,279.84 is: 54,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,477.06 : 95,894.08 = 39,279.84 : x
  2. Step 2: Convert to fraction form
    69,477.06/95,894.08 = 39,279.84/x
  3. Step 3: Cross multiply
    69,477.06x = 95,894.08 × 39,279.84
  4. Step 4: Simplify right side
    69,477.06x = 3,766,704,119.35
  5. Step 5: Solve for x
    x = 3,766,704,119.35/69,477.06
  6. Step 6: Final answer
    x = 54,215.08

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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.