Home / 34,627.50-51,943.68-13,851

Finding the Fourth Proportional to 34,627.50, 51,943.68 and 13,851

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Solution

The fourth proportional to 34,627.50, 51,943.68 and 13,851 is: 20,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,627.50 : 51,943.68 = 13,851 : x
  2. Step 2: Convert to fraction form
    34,627.50/51,943.68 = 13,851/x
  3. Step 3: Cross multiply
    34,627.50x = 51,943.68 × 13,851
  4. Step 4: Simplify right side
    34,627.50x = 719,471,911.68
  5. Step 5: Solve for x
    x = 719,471,911.68/34,627.50
  6. Step 6: Final answer
    x = 20,777.47

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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.