Home / 53,377.14-73,663.29-30,719.58

Finding the Fourth Proportional to 53,377.14, 73,663.29 and 30,719.58

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Solution

The fourth proportional to 53,377.14, 73,663.29 and 30,719.58 is: 42,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,377.14 : 73,663.29 = 30,719.58 : x
  2. Step 2: Convert to fraction form
    53,377.14/73,663.29 = 30,719.58/x
  3. Step 3: Cross multiply
    53,377.14x = 73,663.29 × 30,719.58
  4. Step 4: Simplify right side
    53,377.14x = 2,262,905,330.22
  5. Step 5: Solve for x
    x = 2,262,905,330.22/53,377.14
  6. Step 6: Final answer
    x = 42,394.65

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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.