Home / 55,990.04-77,266.26-30,839.54

Finding the Fourth Proportional to 55,990.04, 77,266.26 and 30,839.54

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Solution

The fourth proportional to 55,990.04, 77,266.26 and 30,839.54 is: 42,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,990.04 : 77,266.26 = 30,839.54 : x
  2. Step 2: Convert to fraction form
    55,990.04/77,266.26 = 30,839.54/x
  3. Step 3: Cross multiply
    55,990.04x = 77,266.26 × 30,839.54
  4. Step 4: Simplify right side
    55,990.04x = 2,382,855,529.59
  5. Step 5: Solve for x
    x = 2,382,855,529.59/55,990.04
  6. Step 6: Final answer
    x = 42,558.56

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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.