Home / 31,586.66-43,537.65-22,391.30

Finding the Fourth Proportional to 31,586.66, 43,537.65 and 22,391.30

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Solution

The fourth proportional to 31,586.66, 43,537.65 and 22,391.30 is: 30,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.66 : 43,537.65 = 22,391.30 : x
  2. Step 2: Convert to fraction form
    31,586.66/43,537.65 = 22,391.30/x
  3. Step 3: Cross multiply
    31,586.66x = 43,537.65 × 22,391.30
  4. Step 4: Simplify right side
    31,586.66x = 974,864,364.76
  5. Step 5: Solve for x
    x = 974,864,364.76/31,586.66
  6. Step 6: Final answer
    x = 30,863.17

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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.