Home / 54,005.23-74,525.67-30,131.39

Finding the Fourth Proportional to 54,005.23, 74,525.67 and 30,131.39

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Solution

The fourth proportional to 54,005.23, 74,525.67 and 30,131.39 is: 41,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.23 : 74,525.67 = 30,131.39 : x
  2. Step 2: Convert to fraction form
    54,005.23/74,525.67 = 30,131.39/x
  3. Step 3: Cross multiply
    54,005.23x = 74,525.67 × 30,131.39
  4. Step 4: Simplify right side
    54,005.23x = 2,245,562,214.10
  5. Step 5: Solve for x
    x = 2,245,562,214.10/54,005.23
  6. Step 6: Final answer
    x = 41,580.46

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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.