Home / 53,943.40-74,442.18-30,069.88

Finding the Fourth Proportional to 53,943.40, 74,442.18 and 30,069.88

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Solution

The fourth proportional to 53,943.40, 74,442.18 and 30,069.88 is: 41,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,943.40 : 74,442.18 = 30,069.88 : x
  2. Step 2: Convert to fraction form
    53,943.40/74,442.18 = 30,069.88/x
  3. Step 3: Cross multiply
    53,943.40x = 74,442.18 × 30,069.88
  4. Step 4: Simplify right side
    53,943.40x = 2,238,467,419.54
  5. Step 5: Solve for x
    x = 2,238,467,419.54/53,943.40
  6. Step 6: Final answer
    x = 41,496.59

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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.