Home / 55,337.58-76,365.99-30,188.70

Finding the Fourth Proportional to 55,337.58, 76,365.99 and 30,188.70

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Solution

The fourth proportional to 55,337.58, 76,365.99 and 30,188.70 is: 41,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,337.58 : 76,365.99 = 30,188.70 : x
  2. Step 2: Convert to fraction form
    55,337.58/76,365.99 = 30,188.70/x
  3. Step 3: Cross multiply
    55,337.58x = 76,365.99 × 30,188.70
  4. Step 4: Simplify right side
    55,337.58x = 2,305,389,962.31
  5. Step 5: Solve for x
    x = 2,305,389,962.31/55,337.58
  6. Step 6: Final answer
    x = 41,660.48

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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.