Home / 34,139.96-51,209.93-10,768.22

Finding the Fourth Proportional to 34,139.96, 51,209.93 and 10,768.22

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Solution

The fourth proportional to 34,139.96, 51,209.93 and 10,768.22 is: 16,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,139.96 : 51,209.93 = 10,768.22 : x
  2. Step 2: Convert to fraction form
    34,139.96/51,209.93 = 10,768.22/x
  3. Step 3: Cross multiply
    34,139.96x = 51,209.93 × 10,768.22
  4. Step 4: Simplify right side
    34,139.96x = 551,439,563.30
  5. Step 5: Solve for x
    x = 551,439,563.30/34,139.96
  6. Step 6: Final answer
    x = 16,152.32

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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.