Home / 31,031.57-46,558.60-19,171.50

Finding the Fourth Proportional to 31,031.57, 46,558.60 and 19,171.50

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Solution

The fourth proportional to 31,031.57, 46,558.60 and 19,171.50 is: 28,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.57 : 46,558.60 = 19,171.50 : x
  2. Step 2: Convert to fraction form
    31,031.57/46,558.60 = 19,171.50/x
  3. Step 3: Cross multiply
    31,031.57x = 46,558.60 × 19,171.50
  4. Step 4: Simplify right side
    31,031.57x = 892,598,239.27
  5. Step 5: Solve for x
    x = 892,598,239.27/31,031.57
  6. Step 6: Final answer
    x = 28,764.20

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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.