Home / 31,033.43-42,786.11-22,547.87

Finding the Fourth Proportional to 31,033.43, 42,786.11 and 22,547.87

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Solution

The fourth proportional to 31,033.43, 42,786.11 and 22,547.87 is: 31,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.43 : 42,786.11 = 22,547.87 : x
  2. Step 2: Convert to fraction form
    31,033.43/42,786.11 = 22,547.87/x
  3. Step 3: Cross multiply
    31,033.43x = 42,786.11 × 22,547.87
  4. Step 4: Simplify right side
    31,033.43x = 964,735,533.35
  5. Step 5: Solve for x
    x = 964,735,533.35/31,033.43
  6. Step 6: Final answer
    x = 31,086.98

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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.