Home / 39,160.50-54,041.55-22,393.86

Finding the Fourth Proportional to 39,160.50, 54,041.55 and 22,393.86

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Solution

The fourth proportional to 39,160.50, 54,041.55 and 22,393.86 is: 30,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160.50 : 54,041.55 = 22,393.86 : x
  2. Step 2: Convert to fraction form
    39,160.50/54,041.55 = 22,393.86/x
  3. Step 3: Cross multiply
    39,160.50x = 54,041.55 × 22,393.86
  4. Step 4: Simplify right side
    39,160.50x = 1,210,198,904.88
  5. Step 5: Solve for x
    x = 1,210,198,904.88/39,160.50
  6. Step 6: Final answer
    x = 30,903.56

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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.