Home / 55,968.32-77,236.80-30,817.92

Finding the Fourth Proportional to 55,968.32, 77,236.80 and 30,817.92

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Solution

The fourth proportional to 55,968.32, 77,236.80 and 30,817.92 is: 42,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,968.32 : 77,236.80 = 30,817.92 : x
  2. Step 2: Convert to fraction form
    55,968.32/77,236.80 = 30,817.92/x
  3. Step 3: Cross multiply
    55,968.32x = 77,236.80 × 30,817.92
  4. Step 4: Simplify right side
    55,968.32x = 2,380,277,523.46
  5. Step 5: Solve for x
    x = 2,380,277,523.46/55,968.32
  6. Step 6: Final answer
    x = 42,529.02

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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.