Home / 40,150.16-55,405.74-23,155.11

Finding the Fourth Proportional to 40,150.16, 55,405.74 and 23,155.11

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Solution

The fourth proportional to 40,150.16, 55,405.74 and 23,155.11 is: 31,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.16 : 55,405.74 = 23,155.11 : x
  2. Step 2: Convert to fraction form
    40,150.16/55,405.74 = 23,155.11/x
  3. Step 3: Cross multiply
    40,150.16x = 55,405.74 × 23,155.11
  4. Step 4: Simplify right side
    40,150.16x = 1,282,926,004.33
  5. Step 5: Solve for x
    x = 1,282,926,004.33/40,150.16
  6. Step 6: Final answer
    x = 31,953.20

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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.