Home / 55,988.64-77,264.31-30,838.14

Finding the Fourth Proportional to 55,988.64, 77,264.31 and 30,838.14

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Solution

The fourth proportional to 55,988.64, 77,264.31 and 30,838.14 is: 42,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.64 : 77,264.31 = 30,838.14 : x
  2. Step 2: Convert to fraction form
    55,988.64/77,264.31 = 30,838.14/x
  3. Step 3: Cross multiply
    55,988.64x = 77,264.31 × 30,838.14
  4. Step 4: Simplify right side
    55,988.64x = 2,382,687,608.78
  5. Step 5: Solve for x
    x = 2,382,687,608.78/55,988.64
  6. Step 6: Final answer
    x = 42,556.63

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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.