Home / 39,062.18-53,909.12-22,069.54

Finding the Fourth Proportional to 39,062.18, 53,909.12 and 22,069.54

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Solution

The fourth proportional to 39,062.18, 53,909.12 and 22,069.54 is: 30,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,062.18 : 53,909.12 = 22,069.54 : x
  2. Step 2: Convert to fraction form
    39,062.18/53,909.12 = 22,069.54/x
  3. Step 3: Cross multiply
    39,062.18x = 53,909.12 × 22,069.54
  4. Step 4: Simplify right side
    39,062.18x = 1,189,749,235.08
  5. Step 5: Solve for x
    x = 1,189,749,235.08/39,062.18
  6. Step 6: Final answer
    x = 30,457.83

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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.