Home / 31,916.90-47,895.18-12,197.42

Finding the Fourth Proportional to 31,916.90, 47,895.18 and 12,197.42

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Solution

The fourth proportional to 31,916.90, 47,895.18 and 12,197.42 is: 18,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.90 : 47,895.18 = 12,197.42 : x
  2. Step 2: Convert to fraction form
    31,916.90/47,895.18 = 12,197.42/x
  3. Step 3: Cross multiply
    31,916.90x = 47,895.18 × 12,197.42
  4. Step 4: Simplify right side
    31,916.90x = 584,197,626.44
  5. Step 5: Solve for x
    x = 584,197,626.44/31,916.90
  6. Step 6: Final answer
    x = 18,303.71

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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.