Home / 55,935.75-77,193-30,785.25

Finding the Fourth Proportional to 55,935.75, 77,193 and 30,785.25

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Solution

The fourth proportional to 55,935.75, 77,193 and 30,785.25 is: 42,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,935.75 : 77,193 = 30,785.25 : x
  2. Step 2: Convert to fraction form
    55,935.75/77,193 = 30,785.25/x
  3. Step 3: Cross multiply
    55,935.75x = 77,193 × 30,785.25
  4. Step 4: Simplify right side
    55,935.75x = 2,376,405,803.25
  5. Step 5: Solve for x
    x = 2,376,405,803.25/55,935.75
  6. Step 6: Final answer
    x = 42,484.56

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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.