Home / 31,242.46-46,861.26-12,521.74

Finding the Fourth Proportional to 31,242.46, 46,861.26 and 12,521.74

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Solution

The fourth proportional to 31,242.46, 46,861.26 and 12,521.74 is: 18,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.46 : 46,861.26 = 12,521.74 : x
  2. Step 2: Convert to fraction form
    31,242.46/46,861.26 = 12,521.74/x
  3. Step 3: Cross multiply
    31,242.46x = 46,861.26 × 12,521.74
  4. Step 4: Simplify right side
    31,242.46x = 586,784,513.79
  5. Step 5: Solve for x
    x = 586,784,513.79/31,242.46
  6. Step 6: Final answer
    x = 18,781.64

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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.