Home / 54,386.83-75,054.36-30,188.08

Finding the Fourth Proportional to 54,386.83, 75,054.36 and 30,188.08

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Solution

The fourth proportional to 54,386.83, 75,054.36 and 30,188.08 is: 41,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,386.83 : 75,054.36 = 30,188.08 : x
  2. Step 2: Convert to fraction form
    54,386.83/75,054.36 = 30,188.08/x
  3. Step 3: Cross multiply
    54,386.83x = 75,054.36 × 30,188.08
  4. Step 4: Simplify right side
    54,386.83x = 2,265,747,024.03
  5. Step 5: Solve for x
    x = 2,265,747,024.03/54,386.83
  6. Step 6: Final answer
    x = 41,659.85

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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.