Home / 54,133.08-74,655.18-33,991.86

Finding the Fourth Proportional to 54,133.08, 74,655.18 and 33,991.86

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Solution

The fourth proportional to 54,133.08, 74,655.18 and 33,991.86 is: 46,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,133.08 : 74,655.18 = 33,991.86 : x
  2. Step 2: Convert to fraction form
    54,133.08/74,655.18 = 33,991.86/x
  3. Step 3: Cross multiply
    54,133.08x = 74,655.18 × 33,991.86
  4. Step 4: Simplify right side
    54,133.08x = 2,537,668,426.83
  5. Step 5: Solve for x
    x = 2,537,668,426.83/54,133.08
  6. Step 6: Final answer
    x = 46,878.33

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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.