Home / 55,048.94-75,964.98-31,175.78

Finding the Fourth Proportional to 55,048.94, 75,964.98 and 31,175.78

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Solution

The fourth proportional to 55,048.94, 75,964.98 and 31,175.78 is: 43,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.94 : 75,964.98 = 31,175.78 : x
  2. Step 2: Convert to fraction form
    55,048.94/75,964.98 = 31,175.78/x
  3. Step 3: Cross multiply
    55,048.94x = 75,964.98 × 31,175.78
  4. Step 4: Simplify right side
    55,048.94x = 2,368,267,124.36
  5. Step 5: Solve for x
    x = 2,368,267,124.36/55,048.94
  6. Step 6: Final answer
    x = 43,021.13

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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.