Home / 31,307.72-46,961.64-7,934.16

Finding the Fourth Proportional to 31,307.72, 46,961.64 and 7,934.16

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Solution

The fourth proportional to 31,307.72, 46,961.64 and 7,934.16 is: 11,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.72 : 46,961.64 = 7,934.16 : x
  2. Step 2: Convert to fraction form
    31,307.72/46,961.64 = 7,934.16/x
  3. Step 3: Cross multiply
    31,307.72x = 46,961.64 × 7,934.16
  4. Step 4: Simplify right side
    31,307.72x = 372,601,165.62
  5. Step 5: Solve for x
    x = 372,601,165.62/31,307.72
  6. Step 6: Final answer
    x = 11,901.26

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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.