Home / 31,132.08-46,698.96-7,758.72

Finding the Fourth Proportional to 31,132.08, 46,698.96 and 7,758.72

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Solution

The fourth proportional to 31,132.08, 46,698.96 and 7,758.72 is: 11,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,132.08 : 46,698.96 = 7,758.72 : x
  2. Step 2: Convert to fraction form
    31,132.08/46,698.96 = 7,758.72/x
  3. Step 3: Cross multiply
    31,132.08x = 46,698.96 × 7,758.72
  4. Step 4: Simplify right side
    31,132.08x = 362,324,154.93
  5. Step 5: Solve for x
    x = 362,324,154.93/31,132.08
  6. Step 6: Final answer
    x = 11,638.29

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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.