Home / 54,739.78-75,547.61-30,865.97

Finding the Fourth Proportional to 54,739.78, 75,547.61 and 30,865.97

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Solution

The fourth proportional to 54,739.78, 75,547.61 and 30,865.97 is: 42,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.78 : 75,547.61 = 30,865.97 : x
  2. Step 2: Convert to fraction form
    54,739.78/75,547.61 = 30,865.97/x
  3. Step 3: Cross multiply
    54,739.78x = 75,547.61 × 30,865.97
  4. Step 4: Simplify right side
    54,739.78x = 2,331,850,263.83
  5. Step 5: Solve for x
    x = 2,331,850,263.83/54,739.78
  6. Step 6: Final answer
    x = 42,598.82

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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.