Home / 55,891.26-77,130.47-30,397.88

Finding the Fourth Proportional to 55,891.26, 77,130.47 and 30,397.88

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Solution

The fourth proportional to 55,891.26, 77,130.47 and 30,397.88 is: 41,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,891.26 : 77,130.47 = 30,397.88 : x
  2. Step 2: Convert to fraction form
    55,891.26/77,130.47 = 30,397.88/x
  3. Step 3: Cross multiply
    55,891.26x = 77,130.47 × 30,397.88
  4. Step 4: Simplify right side
    55,891.26x = 2,344,603,040.22
  5. Step 5: Solve for x
    x = 2,344,603,040.22/55,891.26
  6. Step 6: Final answer
    x = 41,949.37

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1.5x scale

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.