Home / 31,277.95-46,919.90-8,788.57

Finding the Fourth Proportional to 31,277.95, 46,919.90 and 8,788.57

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Solution

The fourth proportional to 31,277.95, 46,919.90 and 8,788.57 is: 13,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277.95 : 46,919.90 = 8,788.57 : x
  2. Step 2: Convert to fraction form
    31,277.95/46,919.90 = 8,788.57/x
  3. Step 3: Cross multiply
    31,277.95x = 46,919.90 × 8,788.57
  4. Step 4: Simplify right side
    31,277.95x = 412,358,781.60
  5. Step 5: Solve for x
    x = 412,358,781.60/31,277.95
  6. Step 6: Final answer
    x = 13,183.69

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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.