Home / 31,064.68-46,604.28-8,878.36

Finding the Fourth Proportional to 31,064.68, 46,604.28 and 8,878.36

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Solution

The fourth proportional to 31,064.68, 46,604.28 and 8,878.36 is: 13,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,064.68 : 46,604.28 = 8,878.36 : x
  2. Step 2: Convert to fraction form
    31,064.68/46,604.28 = 8,878.36/x
  3. Step 3: Cross multiply
    31,064.68x = 46,604.28 × 8,878.36
  4. Step 4: Simplify right side
    31,064.68x = 413,769,575.38
  5. Step 5: Solve for x
    x = 413,769,575.38/31,064.68
  6. Step 6: Final answer
    x = 13,319.61

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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.