Home / 39,814.56-54,944.55-21,909.24

Finding the Fourth Proportional to 39,814.56, 54,944.55 and 21,909.24

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Solution

The fourth proportional to 39,814.56, 54,944.55 and 21,909.24 is: 30,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.56 : 54,944.55 = 21,909.24 : x
  2. Step 2: Convert to fraction form
    39,814.56/54,944.55 = 21,909.24/x
  3. Step 3: Cross multiply
    39,814.56x = 54,944.55 × 21,909.24
  4. Step 4: Simplify right side
    39,814.56x = 1,203,793,332.64
  5. Step 5: Solve for x
    x = 1,203,793,332.64/39,814.56
  6. Step 6: Final answer
    x = 30,235.00

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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.