Home / 53,611.16-73,986.71-30,954.29

Finding the Fourth Proportional to 53,611.16, 73,986.71 and 30,954.29

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Solution

The fourth proportional to 53,611.16, 73,986.71 and 30,954.29 is: 42,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,611.16 : 73,986.71 = 30,954.29 : x
  2. Step 2: Convert to fraction form
    53,611.16/73,986.71 = 30,954.29/x
  3. Step 3: Cross multiply
    53,611.16x = 73,986.71 × 30,954.29
  4. Step 4: Simplify right side
    53,611.16x = 2,290,205,552.78
  5. Step 5: Solve for x
    x = 2,290,205,552.78/53,611.16
  6. Step 6: Final answer
    x = 42,718.83

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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.