Home / 54,579.22-75,319.61-30,706.29

Finding the Fourth Proportional to 54,579.22, 75,319.61 and 30,706.29

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Solution

The fourth proportional to 54,579.22, 75,319.61 and 30,706.29 is: 42,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.22 : 75,319.61 = 30,706.29 : x
  2. Step 2: Convert to fraction form
    54,579.22/75,319.61 = 30,706.29/x
  3. Step 3: Cross multiply
    54,579.22x = 75,319.61 × 30,706.29
  4. Step 4: Simplify right side
    54,579.22x = 2,312,785,633.82
  5. Step 5: Solve for x
    x = 2,312,785,633.82/54,579.22
  6. Step 6: Final answer
    x = 42,374.84

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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.