Home / 55,990.24-77,266.32-30,839.92

Finding the Fourth Proportional to 55,990.24, 77,266.32 and 30,839.92

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Solution

The fourth proportional to 55,990.24, 77,266.32 and 30,839.92 is: 42,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,990.24 : 77,266.32 = 30,839.92 : x
  2. Step 2: Convert to fraction form
    55,990.24/77,266.32 = 30,839.92/x
  3. Step 3: Cross multiply
    55,990.24x = 77,266.32 × 30,839.92
  4. Step 4: Simplify right side
    55,990.24x = 2,382,887,127.49
  5. Step 5: Solve for x
    x = 2,382,887,127.49/55,990.24
  6. Step 6: Final answer
    x = 42,558.97

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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.