Home / 40,300.18-55,611.48-22,152.20

Finding the Fourth Proportional to 40,300.18, 55,611.48 and 22,152.20

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Solution

The fourth proportional to 40,300.18, 55,611.48 and 22,152.20 is: 30,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300.18 : 55,611.48 = 22,152.20 : x
  2. Step 2: Convert to fraction form
    40,300.18/55,611.48 = 22,152.20/x
  3. Step 3: Cross multiply
    40,300.18x = 55,611.48 × 22,152.20
  4. Step 4: Simplify right side
    40,300.18x = 1,231,916,627.26
  5. Step 5: Solve for x
    x = 1,231,916,627.26/40,300.18
  6. Step 6: Final answer
    x = 30,568.51

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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.