Home / 31,749.08-47,590.01-11,745.72

Finding the Fourth Proportional to 31,749.08, 47,590.01 and 11,745.72

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Solution

The fourth proportional to 31,749.08, 47,590.01 and 11,745.72 is: 17,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,749.08 : 47,590.01 = 11,745.72 : x
  2. Step 2: Convert to fraction form
    31,749.08/47,590.01 = 11,745.72/x
  3. Step 3: Cross multiply
    31,749.08x = 47,590.01 × 11,745.72
  4. Step 4: Simplify right side
    31,749.08x = 558,978,873.53
  5. Step 5: Solve for x
    x = 558,978,873.53/31,749.08
  6. Step 6: Final answer
    x = 17,606.15

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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.