Home / 55,803.42-77,009.52-30,309.88

Finding the Fourth Proportional to 55,803.42, 77,009.52 and 30,309.88

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Solution

The fourth proportional to 55,803.42, 77,009.52 and 30,309.88 is: 41,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,803.42 : 77,009.52 = 30,309.88 : x
  2. Step 2: Convert to fraction form
    55,803.42/77,009.52 = 30,309.88/x
  3. Step 3: Cross multiply
    55,803.42x = 77,009.52 × 30,309.88
  4. Step 4: Simplify right side
    55,803.42x = 2,334,149,310.06
  5. Step 5: Solve for x
    x = 2,334,149,310.06/55,803.42
  6. Step 6: Final answer
    x = 41,828.07

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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.