Home / 31,705.01-43,754.27-17,557.89

Finding the Fourth Proportional to 31,705.01, 43,754.27 and 17,557.89

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Solution

The fourth proportional to 31,705.01, 43,754.27 and 17,557.89 is: 24,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.01 : 43,754.27 = 17,557.89 : x
  2. Step 2: Convert to fraction form
    31,705.01/43,754.27 = 17,557.89/x
  3. Step 3: Cross multiply
    31,705.01x = 43,754.27 × 17,557.89
  4. Step 4: Simplify right side
    31,705.01x = 768,232,659.69
  5. Step 5: Solve for x
    x = 768,232,659.69/31,705.01
  6. Step 6: Final answer
    x = 24,230.64

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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.