Home / 39,564.96-54,598-21,659.52

Finding the Fourth Proportional to 39,564.96, 54,598 and 21,659.52

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Solution

The fourth proportional to 39,564.96, 54,598 and 21,659.52 is: 29,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,564.96 : 54,598 = 21,659.52 : x
  2. Step 2: Convert to fraction form
    39,564.96/54,598 = 21,659.52/x
  3. Step 3: Cross multiply
    39,564.96x = 54,598 × 21,659.52
  4. Step 4: Simplify right side
    39,564.96x = 1,182,566,472.96
  5. Step 5: Solve for x
    x = 1,182,566,472.96/39,564.96
  6. Step 6: Final answer
    x = 29,889.24

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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.