Home / 39,026.81-53,857.00-22,259.81

Finding the Fourth Proportional to 39,026.81, 53,857.00 and 22,259.81

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Solution

The fourth proportional to 39,026.81, 53,857.00 and 22,259.81 is: 30,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026.81 : 53,857.00 = 22,259.81 : x
  2. Step 2: Convert to fraction form
    39,026.81/53,857.00 = 22,259.81/x
  3. Step 3: Cross multiply
    39,026.81x = 53,857.00 × 22,259.81
  4. Step 4: Simplify right side
    39,026.81x = 1,198,846,749.64
  5. Step 5: Solve for x
    x = 1,198,846,749.64/39,026.81
  6. Step 6: Final answer
    x = 30,718.54

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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.