Home / 53,988.45-74,504.01-30,115.11

Finding the Fourth Proportional to 53,988.45, 74,504.01 and 30,115.11

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Solution

The fourth proportional to 53,988.45, 74,504.01 and 30,115.11 is: 41,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.45 : 74,504.01 = 30,115.11 : x
  2. Step 2: Convert to fraction form
    53,988.45/74,504.01 = 30,115.11/x
  3. Step 3: Cross multiply
    53,988.45x = 74,504.01 × 30,115.11
  4. Step 4: Simplify right side
    53,988.45x = 2,243,696,456.59
  5. Step 5: Solve for x
    x = 2,243,696,456.59/53,988.45
  6. Step 6: Final answer
    x = 41,558.82

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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.