Home / 53,890.45-74,371.11-30,017.13

Finding the Fourth Proportional to 53,890.45, 74,371.11 and 30,017.13

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Solution

The fourth proportional to 53,890.45, 74,371.11 and 30,017.13 is: 41,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.45 : 74,371.11 = 30,017.13 : x
  2. Step 2: Convert to fraction form
    53,890.45/74,371.11 = 30,017.13/x
  3. Step 3: Cross multiply
    53,890.45x = 74,371.11 × 30,017.13
  4. Step 4: Simplify right side
    53,890.45x = 2,232,407,472.84
  5. Step 5: Solve for x
    x = 2,232,407,472.84/53,890.45
  6. Step 6: Final answer
    x = 41,424.92

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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.