Home / 47,923.79-71,885.67-12,863.44

Finding the Fourth Proportional to 47,923.79, 71,885.67 and 12,863.44

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Solution

The fourth proportional to 47,923.79, 71,885.67 and 12,863.44 is: 19,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,923.79 : 71,885.67 = 12,863.44 : x
  2. Step 2: Convert to fraction form
    47,923.79/71,885.67 = 12,863.44/x
  3. Step 3: Cross multiply
    47,923.79x = 71,885.67 × 12,863.44
  4. Step 4: Simplify right side
    47,923.79x = 924,697,002.90
  5. Step 5: Solve for x
    x = 924,697,002.90/47,923.79
  6. Step 6: Final answer
    x = 19,295.16

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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.