Home / 40,155.32-55,410.40-23,161.12

Finding the Fourth Proportional to 40,155.32, 55,410.40 and 23,161.12

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Solution

The fourth proportional to 40,155.32, 55,410.40 and 23,161.12 is: 31,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.32 : 55,410.40 = 23,161.12 : x
  2. Step 2: Convert to fraction form
    40,155.32/55,410.40 = 23,161.12/x
  3. Step 3: Cross multiply
    40,155.32x = 55,410.40 × 23,161.12
  4. Step 4: Simplify right side
    40,155.32x = 1,283,366,923.65
  5. Step 5: Solve for x
    x = 1,283,366,923.65/40,155.32
  6. Step 6: Final answer
    x = 31,960.07

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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.