Home / 31,322.22-43,281.93-22,809.53

Finding the Fourth Proportional to 31,322.22, 43,281.93 and 22,809.53

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Solution

The fourth proportional to 31,322.22, 43,281.93 and 22,809.53 is: 31,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322.22 : 43,281.93 = 22,809.53 : x
  2. Step 2: Convert to fraction form
    31,322.22/43,281.93 = 22,809.53/x
  3. Step 3: Cross multiply
    31,322.22x = 43,281.93 × 22,809.53
  4. Step 4: Simplify right side
    31,322.22x = 987,240,480.79
  5. Step 5: Solve for x
    x = 987,240,480.79/31,322.22
  6. Step 6: Final answer
    x = 31,518.85

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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.