Home / 34,153.22-51,130.20-20,965.62

Finding the Fourth Proportional to 34,153.22, 51,130.20 and 20,965.62

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Solution

The fourth proportional to 34,153.22, 51,130.20 and 20,965.62 is: 31,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,153.22 : 51,130.20 = 20,965.62 : x
  2. Step 2: Convert to fraction form
    34,153.22/51,130.20 = 20,965.62/x
  3. Step 3: Cross multiply
    34,153.22x = 51,130.20 × 20,965.62
  4. Step 4: Simplify right side
    34,153.22x = 1,071,976,343.72
  5. Step 5: Solve for x
    x = 1,071,976,343.72/34,153.22
  6. Step 6: Final answer
    x = 31,387.27

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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.