Home / 40,317.13-55,636.28-22,411.75

Finding the Fourth Proportional to 40,317.13, 55,636.28 and 22,411.75

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Solution

The fourth proportional to 40,317.13, 55,636.28 and 22,411.75 is: 30,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,317.13 : 55,636.28 = 22,411.75 : x
  2. Step 2: Convert to fraction form
    40,317.13/55,636.28 = 22,411.75/x
  3. Step 3: Cross multiply
    40,317.13x = 55,636.28 × 22,411.75
  4. Step 4: Simplify right side
    40,317.13x = 1,246,906,115.99
  5. Step 5: Solve for x
    x = 1,246,906,115.99/40,317.13
  6. Step 6: Final answer
    x = 30,927.46

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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.