Home / 39,672.08-54,749.96-21,767.13

Finding the Fourth Proportional to 39,672.08, 54,749.96 and 21,767.13

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Solution

The fourth proportional to 39,672.08, 54,749.96 and 21,767.13 is: 30,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672.08 : 54,749.96 = 21,767.13 : x
  2. Step 2: Convert to fraction form
    39,672.08/54,749.96 = 21,767.13/x
  3. Step 3: Cross multiply
    39,672.08x = 54,749.96 × 21,767.13
  4. Step 4: Simplify right side
    39,672.08x = 1,191,749,674.92
  5. Step 5: Solve for x
    x = 1,191,749,674.92/39,672.08
  6. Step 6: Final answer
    x = 30,040.01

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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.