Home / 31,296.72-46,945.17-9,110.64

Finding the Fourth Proportional to 31,296.72, 46,945.17 and 9,110.64

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Solution

The fourth proportional to 31,296.72, 46,945.17 and 9,110.64 is: 13,665.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.72 : 46,945.17 = 9,110.64 : x
  2. Step 2: Convert to fraction form
    31,296.72/46,945.17 = 9,110.64/x
  3. Step 3: Cross multiply
    31,296.72x = 46,945.17 × 9,110.64
  4. Step 4: Simplify right side
    31,296.72x = 427,700,543.61
  5. Step 5: Solve for x
    x = 427,700,543.61/31,296.72
  6. Step 6: Final answer
    x = 13,665.99

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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.