Home / 54,389.78-75,057.86-31,744.34

Finding the Fourth Proportional to 54,389.78, 75,057.86 and 31,744.34

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Solution

The fourth proportional to 54,389.78, 75,057.86 and 31,744.34 is: 43,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389.78 : 75,057.86 = 31,744.34 : x
  2. Step 2: Convert to fraction form
    54,389.78/75,057.86 = 31,744.34/x
  3. Step 3: Cross multiply
    54,389.78x = 75,057.86 × 31,744.34
  4. Step 4: Simplify right side
    54,389.78x = 2,382,662,227.51
  5. Step 5: Solve for x
    x = 2,382,662,227.51/54,389.78
  6. Step 6: Final answer
    x = 43,807.17

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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.