Home / 31,588.12-47,383.40-9,402.24

Finding the Fourth Proportional to 31,588.12, 47,383.40 and 9,402.24

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Solution

The fourth proportional to 31,588.12, 47,383.40 and 9,402.24 is: 14,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.12 : 47,383.40 = 9,402.24 : x
  2. Step 2: Convert to fraction form
    31,588.12/47,383.40 = 9,402.24/x
  3. Step 3: Cross multiply
    31,588.12x = 47,383.40 × 9,402.24
  4. Step 4: Simplify right side
    31,588.12x = 445,510,098.82
  5. Step 5: Solve for x
    x = 445,510,098.82/31,588.12
  6. Step 6: Final answer
    x = 14,103.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.