Home / 54,478.08-81,667.80-37,845.90

Finding the Fourth Proportional to 54,478.08, 81,667.80 and 37,845.90

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Solution

The fourth proportional to 54,478.08, 81,667.80 and 37,845.90 is: 56,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.08 : 81,667.80 = 37,845.90 : x
  2. Step 2: Convert to fraction form
    54,478.08/81,667.80 = 37,845.90/x
  3. Step 3: Cross multiply
    54,478.08x = 81,667.80 × 37,845.90
  4. Step 4: Simplify right side
    54,478.08x = 3,090,791,392.02
  5. Step 5: Solve for x
    x = 3,090,791,392.02/54,478.08
  6. Step 6: Final answer
    x = 56,734.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.