Home / 39,977.50-55,169.81-22,073.64

Finding the Fourth Proportional to 39,977.50, 55,169.81 and 22,073.64

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Solution

The fourth proportional to 39,977.50, 55,169.81 and 22,073.64 is: 30,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.50 : 55,169.81 = 22,073.64 : x
  2. Step 2: Convert to fraction form
    39,977.50/55,169.81 = 22,073.64/x
  3. Step 3: Cross multiply
    39,977.50x = 55,169.81 × 22,073.64
  4. Step 4: Simplify right side
    39,977.50x = 1,217,798,559.30
  5. Step 5: Solve for x
    x = 1,217,798,559.30/39,977.50
  6. Step 6: Final answer
    x = 30,462.10

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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.