Home / 54,012.36-74,525.10-31,338.22

Finding the Fourth Proportional to 54,012.36, 74,525.10 and 31,338.22

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Solution

The fourth proportional to 54,012.36, 74,525.10 and 31,338.22 is: 43,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,012.36 : 74,525.10 = 31,338.22 : x
  2. Step 2: Convert to fraction form
    54,012.36/74,525.10 = 31,338.22/x
  3. Step 3: Cross multiply
    54,012.36x = 74,525.10 × 31,338.22
  4. Step 4: Simplify right side
    54,012.36x = 2,335,483,979.32
  5. Step 5: Solve for x
    x = 2,335,483,979.32/54,012.36
  6. Step 6: Final answer
    x = 43,239.81

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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.