Home / 40,217.15-55,506.30-22,317.92

Finding the Fourth Proportional to 40,217.15, 55,506.30 and 22,317.92

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Solution

The fourth proportional to 40,217.15, 55,506.30 and 22,317.92 is: 30,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.15 : 55,506.30 = 22,317.92 : x
  2. Step 2: Convert to fraction form
    40,217.15/55,506.30 = 22,317.92/x
  3. Step 3: Cross multiply
    40,217.15x = 55,506.30 × 22,317.92
  4. Step 4: Simplify right side
    40,217.15x = 1,238,785,093.51
  5. Step 5: Solve for x
    x = 1,238,785,093.51/40,217.15
  6. Step 6: Final answer
    x = 30,802.41

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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.