Home / 31,319.38-46,979.04-7,626.92

Finding the Fourth Proportional to 31,319.38, 46,979.04 and 7,626.92

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Solution

The fourth proportional to 31,319.38, 46,979.04 and 7,626.92 is: 11,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.38 : 46,979.04 = 7,626.92 : x
  2. Step 2: Convert to fraction form
    31,319.38/46,979.04 = 7,626.92/x
  3. Step 3: Cross multiply
    31,319.38x = 46,979.04 × 7,626.92
  4. Step 4: Simplify right side
    31,319.38x = 358,305,144.86
  5. Step 5: Solve for x
    x = 358,305,144.86/31,319.38
  6. Step 6: Final answer
    x = 11,440.37

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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.