Home / 31,346.14-47,037.57-11,638.30

Finding the Fourth Proportional to 31,346.14, 47,037.57 and 11,638.30

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Solution

The fourth proportional to 31,346.14, 47,037.57 and 11,638.30 is: 17,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.14 : 47,037.57 = 11,638.30 : x
  2. Step 2: Convert to fraction form
    31,346.14/47,037.57 = 11,638.30/x
  3. Step 3: Cross multiply
    31,346.14x = 47,037.57 × 11,638.30
  4. Step 4: Simplify right side
    31,346.14x = 547,437,350.93
  5. Step 5: Solve for x
    x = 547,437,350.93/31,346.14
  6. Step 6: Final answer
    x = 17,464.27

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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.