Home / 39,945.87-55,124.96-22,041.05

Finding the Fourth Proportional to 39,945.87, 55,124.96 and 22,041.05

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Solution

The fourth proportional to 39,945.87, 55,124.96 and 22,041.05 is: 30,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.87 : 55,124.96 = 22,041.05 : x
  2. Step 2: Convert to fraction form
    39,945.87/55,124.96 = 22,041.05/x
  3. Step 3: Cross multiply
    39,945.87x = 55,124.96 × 22,041.05
  4. Step 4: Simplify right side
    39,945.87x = 1,215,011,613.78
  5. Step 5: Solve for x
    x = 1,215,011,613.78/39,945.87
  6. Step 6: Final answer
    x = 30,416.45

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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.