Home / 31,709.55-43,759.17-17,562.45

Finding the Fourth Proportional to 31,709.55, 43,759.17 and 17,562.45

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Solution

The fourth proportional to 31,709.55, 43,759.17 and 17,562.45 is: 24,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.55 : 43,759.17 = 17,562.45 : x
  2. Step 2: Convert to fraction form
    31,709.55/43,759.17 = 17,562.45/x
  3. Step 3: Cross multiply
    31,709.55x = 43,759.17 × 17,562.45
  4. Step 4: Simplify right side
    31,709.55x = 768,518,235.17
  5. Step 5: Solve for x
    x = 768,518,235.17/31,709.55
  6. Step 6: Final answer
    x = 24,236.18

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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.