Home / 31,174.08-46,768.54-8,987.10

Finding the Fourth Proportional to 31,174.08, 46,768.54 and 8,987.10

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Solution

The fourth proportional to 31,174.08, 46,768.54 and 8,987.10 is: 13,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.08 : 46,768.54 = 8,987.10 : x
  2. Step 2: Convert to fraction form
    31,174.08/46,768.54 = 8,987.10/x
  3. Step 3: Cross multiply
    31,174.08x = 46,768.54 × 8,987.10
  4. Step 4: Simplify right side
    31,174.08x = 420,313,545.83
  5. Step 5: Solve for x
    x = 420,313,545.83/31,174.08
  6. Step 6: Final answer
    x = 13,482.79

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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.