Home / 54,339.07-74,987.72-30,465.73

Finding the Fourth Proportional to 54,339.07, 74,987.72 and 30,465.73

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Solution

The fourth proportional to 54,339.07, 74,987.72 and 30,465.73 is: 42,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.07 : 74,987.72 = 30,465.73 : x
  2. Step 2: Convert to fraction form
    54,339.07/74,987.72 = 30,465.73/x
  3. Step 3: Cross multiply
    54,339.07x = 74,987.72 × 30,465.73
  4. Step 4: Simplify right side
    54,339.07x = 2,284,555,478.51
  5. Step 5: Solve for x
    x = 2,284,555,478.51/54,339.07
  6. Step 6: Final answer
    x = 42,042.59

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1.5x scale

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.