Home / 55,988.20-77,264.42-30,837.48

Finding the Fourth Proportional to 55,988.20, 77,264.42 and 30,837.48

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Solution

The fourth proportional to 55,988.20, 77,264.42 and 30,837.48 is: 42,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.20 : 77,264.42 = 30,837.48 : x
  2. Step 2: Convert to fraction form
    55,988.20/77,264.42 = 30,837.48/x
  3. Step 3: Cross multiply
    55,988.20x = 77,264.42 × 30,837.48
  4. Step 4: Simplify right side
    55,988.20x = 2,382,640,006.46
  5. Step 5: Solve for x
    x = 2,382,640,006.46/55,988.20
  6. Step 6: Final answer
    x = 42,556.11

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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.