Home / 31,749.78-47,618.58-15,950.58

Finding the Fourth Proportional to 31,749.78, 47,618.58 and 15,950.58

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Solution

The fourth proportional to 31,749.78, 47,618.58 and 15,950.58 is: 23,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,749.78 : 47,618.58 = 15,950.58 : x
  2. Step 2: Convert to fraction form
    31,749.78/47,618.58 = 15,950.58/x
  3. Step 3: Cross multiply
    31,749.78x = 47,618.58 × 15,950.58
  4. Step 4: Simplify right side
    31,749.78x = 759,543,969.78
  5. Step 5: Solve for x
    x = 759,543,969.78/31,749.78
  6. Step 6: Final answer
    x = 23,922.81

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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.