Home / 31,177.26-46,749.50-21,319.36

Finding the Fourth Proportional to 31,177.26, 46,749.50 and 21,319.36

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Solution

The fourth proportional to 31,177.26, 46,749.50 and 21,319.36 is: 31,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.26 : 46,749.50 = 21,319.36 : x
  2. Step 2: Convert to fraction form
    31,177.26/46,749.50 = 21,319.36/x
  3. Step 3: Cross multiply
    31,177.26x = 46,749.50 × 21,319.36
  4. Step 4: Simplify right side
    31,177.26x = 996,669,420.32
  5. Step 5: Solve for x
    x = 996,669,420.32/31,177.26
  6. Step 6: Final answer
    x = 31,967.83

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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.