Home / 55,932.93-77,187.41-30,782.43

Finding the Fourth Proportional to 55,932.93, 77,187.41 and 30,782.43

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Solution

The fourth proportional to 55,932.93, 77,187.41 and 30,782.43 is: 42,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,932.93 : 77,187.41 = 30,782.43 : x
  2. Step 2: Convert to fraction form
    55,932.93/77,187.41 = 30,782.43/x
  3. Step 3: Cross multiply
    55,932.93x = 77,187.41 × 30,782.43
  4. Step 4: Simplify right side
    55,932.93x = 2,376,016,045.21
  5. Step 5: Solve for x
    x = 2,376,016,045.21/55,932.93
  6. Step 6: Final answer
    x = 42,479.74

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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.