Home / 39,946.10-55,125.82-22,041.12

Finding the Fourth Proportional to 39,946.10, 55,125.82 and 22,041.12

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Solution

The fourth proportional to 39,946.10, 55,125.82 and 22,041.12 is: 30,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.10 : 55,125.82 = 22,041.12 : x
  2. Step 2: Convert to fraction form
    39,946.10/55,125.82 = 22,041.12/x
  3. Step 3: Cross multiply
    39,946.10x = 55,125.82 × 22,041.12
  4. Step 4: Simplify right side
    39,946.10x = 1,215,034,813.72
  5. Step 5: Solve for x
    x = 1,215,034,813.72/39,946.10
  6. Step 6: Final answer
    x = 30,416.86

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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.