Home / 31,631.76-43,652.22-17,485.92

Finding the Fourth Proportional to 31,631.76, 43,652.22 and 17,485.92

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Solution

The fourth proportional to 31,631.76, 43,652.22 and 17,485.92 is: 24,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631.76 : 43,652.22 = 17,485.92 : x
  2. Step 2: Convert to fraction form
    31,631.76/43,652.22 = 17,485.92/x
  3. Step 3: Cross multiply
    31,631.76x = 43,652.22 × 17,485.92
  4. Step 4: Simplify right side
    31,631.76x = 763,299,226.74
  5. Step 5: Solve for x
    x = 763,299,226.74/31,631.76
  6. Step 6: Final answer
    x = 24,130.79

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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.