Home / 34,151.22-51,127.20-20,963.61

Finding the Fourth Proportional to 34,151.22, 51,127.20 and 20,963.61

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Solution

The fourth proportional to 34,151.22, 51,127.20 and 20,963.61 is: 31,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,151.22 : 51,127.20 = 20,963.61 : x
  2. Step 2: Convert to fraction form
    34,151.22/51,127.20 = 20,963.61/x
  3. Step 3: Cross multiply
    34,151.22x = 51,127.20 × 20,963.61
  4. Step 4: Simplify right side
    34,151.22x = 1,071,810,681.19
  5. Step 5: Solve for x
    x = 1,071,810,681.19/34,151.22
  6. Step 6: Final answer
    x = 31,384.26

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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.