Home / 51,127.96-70,588.92-39,169.12

Finding the Fourth Proportional to 51,127.96, 70,588.92 and 39,169.12

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Solution

The fourth proportional to 51,127.96, 70,588.92 and 39,169.12 is: 54,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127.96 : 70,588.92 = 39,169.12 : x
  2. Step 2: Convert to fraction form
    51,127.96/70,588.92 = 39,169.12/x
  3. Step 3: Cross multiply
    51,127.96x = 70,588.92 × 39,169.12
  4. Step 4: Simplify right side
    51,127.96x = 2,764,905,878.15
  5. Step 5: Solve for x
    x = 2,764,905,878.15/51,127.96
  6. Step 6: Final answer
    x = 54,078.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.