Home / 47,388.84-65,396.72-25,878.78

Finding the Fourth Proportional to 47,388.84, 65,396.72 and 25,878.78

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Solution

The fourth proportional to 47,388.84, 65,396.72 and 25,878.78 is: 35,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388.84 : 65,396.72 = 25,878.78 : x
  2. Step 2: Convert to fraction form
    47,388.84/65,396.72 = 25,878.78/x
  3. Step 3: Cross multiply
    47,388.84x = 65,396.72 × 25,878.78
  4. Step 4: Simplify right side
    47,388.84x = 1,692,387,394.30
  5. Step 5: Solve for x
    x = 1,692,387,394.30/47,388.84
  6. Step 6: Final answer
    x = 35,712.79

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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.