Home / 54,513.61-81,749.01-22,938.80

Finding the Fourth Proportional to 54,513.61, 81,749.01 and 22,938.80

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Solution

The fourth proportional to 54,513.61, 81,749.01 and 22,938.80 is: 34,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.61 : 81,749.01 = 22,938.80 : x
  2. Step 2: Convert to fraction form
    54,513.61/81,749.01 = 22,938.80/x
  3. Step 3: Cross multiply
    54,513.61x = 81,749.01 × 22,938.80
  4. Step 4: Simplify right side
    54,513.61x = 1,875,223,867.86
  5. Step 5: Solve for x
    x = 1,875,223,867.86/54,513.61
  6. Step 6: Final answer
    x = 34,399.19

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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.