Home / 34,140.71-51,211.07-10,768.97

Finding the Fourth Proportional to 34,140.71, 51,211.07 and 10,768.97

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Solution

The fourth proportional to 34,140.71, 51,211.07 and 10,768.97 is: 16,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,140.71 : 51,211.07 = 10,768.97 : x
  2. Step 2: Convert to fraction form
    34,140.71/51,211.07 = 10,768.97/x
  3. Step 3: Cross multiply
    34,140.71x = 51,211.07 × 10,768.97
  4. Step 4: Simplify right side
    34,140.71x = 551,490,166.60
  5. Step 5: Solve for x
    x = 551,490,166.60/34,140.71
  6. Step 6: Final answer
    x = 16,153.45

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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.