Home / 31,174.08-46,768.32-8,987.76

Finding the Fourth Proportional to 31,174.08, 46,768.32 and 8,987.76

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Solution

The fourth proportional to 31,174.08, 46,768.32 and 8,987.76 is: 13,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.08 : 46,768.32 = 8,987.76 : x
  2. Step 2: Convert to fraction form
    31,174.08/46,768.32 = 8,987.76/x
  3. Step 3: Cross multiply
    31,174.08x = 46,768.32 × 8,987.76
  4. Step 4: Simplify right side
    31,174.08x = 420,342,435.76
  5. Step 5: Solve for x
    x = 420,342,435.76/31,174.08
  6. Step 6: Final answer
    x = 13,483.72

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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.