Home / 55,337.43-76,365.49-30,186.75

Finding the Fourth Proportional to 55,337.43, 76,365.49 and 30,186.75

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Solution

The fourth proportional to 55,337.43, 76,365.49 and 30,186.75 is: 41,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,337.43 : 76,365.49 = 30,186.75 : x
  2. Step 2: Convert to fraction form
    55,337.43/76,365.49 = 30,186.75/x
  3. Step 3: Cross multiply
    55,337.43x = 76,365.49 × 30,186.75
  4. Step 4: Simplify right side
    55,337.43x = 2,305,225,955.26
  5. Step 5: Solve for x
    x = 2,305,225,955.26/55,337.43
  6. Step 6: Final answer
    x = 41,657.63

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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.