Home / 31,329.39-46,997.52-9,146.40

Finding the Fourth Proportional to 31,329.39, 46,997.52 and 9,146.40

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Solution

The fourth proportional to 31,329.39, 46,997.52 and 9,146.40 is: 13,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.39 : 46,997.52 = 9,146.40 : x
  2. Step 2: Convert to fraction form
    31,329.39/46,997.52 = 9,146.40/x
  3. Step 3: Cross multiply
    31,329.39x = 46,997.52 × 9,146.40
  4. Step 4: Simplify right side
    31,329.39x = 429,858,116.93
  5. Step 5: Solve for x
    x = 429,858,116.93/31,329.39
  6. Step 6: Final answer
    x = 13,720.60

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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.