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Finding the Fourth Proportional to 31,292.62, 46,938.49 and 7,600.33

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Solution

The fourth proportional to 31,292.62, 46,938.49 and 7,600.33 is: 11,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.62 : 46,938.49 = 7,600.33 : x
  2. Step 2: Convert to fraction form
    31,292.62/46,938.49 = 7,600.33/x
  3. Step 3: Cross multiply
    31,292.62x = 46,938.49 × 7,600.33
  4. Step 4: Simplify right side
    31,292.62x = 356,748,013.70
  5. Step 5: Solve for x
    x = 356,748,013.70/31,292.62
  6. Step 6: Final answer
    x = 11,400.39

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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.