Home / 55,622.77-76,759.49-30,129.41

Finding the Fourth Proportional to 55,622.77, 76,759.49 and 30,129.41

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Solution

The fourth proportional to 55,622.77, 76,759.49 and 30,129.41 is: 41,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,622.77 : 76,759.49 = 30,129.41 : x
  2. Step 2: Convert to fraction form
    55,622.77/76,759.49 = 30,129.41/x
  3. Step 3: Cross multiply
    55,622.77x = 76,759.49 × 30,129.41
  4. Step 4: Simplify right side
    55,622.77x = 2,312,718,412.82
  5. Step 5: Solve for x
    x = 2,312,718,412.82/55,622.77
  6. Step 6: Final answer
    x = 41,578.63

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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.