Home / 61,309.24-91,971.06-21,871.96

Finding the Fourth Proportional to 61,309.24, 91,971.06 and 21,871.96

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Solution

The fourth proportional to 61,309.24, 91,971.06 and 21,871.96 is: 32,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,309.24 : 91,971.06 = 21,871.96 : x
  2. Step 2: Convert to fraction form
    61,309.24/91,971.06 = 21,871.96/x
  3. Step 3: Cross multiply
    61,309.24x = 91,971.06 × 21,871.96
  4. Step 4: Simplify right side
    61,309.24x = 2,011,587,345.48
  5. Step 5: Solve for x
    x = 2,011,587,345.48/61,309.24
  6. Step 6: Final answer
    x = 32,810.51

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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.