Home / 40,435.80-55,801.78-22,287.18

Finding the Fourth Proportional to 40,435.80, 55,801.78 and 22,287.18

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Solution

The fourth proportional to 40,435.80, 55,801.78 and 22,287.18 is: 30,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,435.80 : 55,801.78 = 22,287.18 : x
  2. Step 2: Convert to fraction form
    40,435.80/55,801.78 = 22,287.18/x
  3. Step 3: Cross multiply
    40,435.80x = 55,801.78 × 22,287.18
  4. Step 4: Simplify right side
    40,435.80x = 1,243,664,315.18
  5. Step 5: Solve for x
    x = 1,243,664,315.18/40,435.80
  6. Step 6: Final answer
    x = 30,756.52

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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.