Home / 55,659.68-76,809.49-30,165.33

Finding the Fourth Proportional to 55,659.68, 76,809.49 and 30,165.33

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Solution

The fourth proportional to 55,659.68, 76,809.49 and 30,165.33 is: 41,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,659.68 : 76,809.49 = 30,165.33 : x
  2. Step 2: Convert to fraction form
    55,659.68/76,809.49 = 30,165.33/x
  3. Step 3: Cross multiply
    55,659.68x = 76,809.49 × 30,165.33
  4. Step 4: Simplify right side
    55,659.68x = 2,316,983,612.98
  5. Step 5: Solve for x
    x = 2,316,983,612.98/55,659.68
  6. Step 6: Final answer
    x = 41,627.68

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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.