Home / 54,739.75-75,539.85-30,866.45

Finding the Fourth Proportional to 54,739.75, 75,539.85 and 30,866.45

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Solution

The fourth proportional to 54,739.75, 75,539.85 and 30,866.45 is: 42,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.75 : 75,539.85 = 30,866.45 : x
  2. Step 2: Convert to fraction form
    54,739.75/75,539.85 = 30,866.45/x
  3. Step 3: Cross multiply
    54,739.75x = 75,539.85 × 30,866.45
  4. Step 4: Simplify right side
    54,739.75x = 2,331,646,796.92
  5. Step 5: Solve for x
    x = 2,331,646,796.92/54,739.75
  6. Step 6: Final answer
    x = 42,595.13

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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.