Home / 55,561.25-76,675.07-30,411.29

Finding the Fourth Proportional to 55,561.25, 76,675.07 and 30,411.29

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Solution

The fourth proportional to 55,561.25, 76,675.07 and 30,411.29 is: 41,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,561.25 : 76,675.07 = 30,411.29 : x
  2. Step 2: Convert to fraction form
    55,561.25/76,675.07 = 30,411.29/x
  3. Step 3: Cross multiply
    55,561.25x = 76,675.07 × 30,411.29
  4. Step 4: Simplify right side
    55,561.25x = 2,331,787,637.48
  5. Step 5: Solve for x
    x = 2,331,787,637.48/55,561.25
  6. Step 6: Final answer
    x = 41,967.88

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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.