Home / 39,359.55-54,317.66-22,366.68

Finding the Fourth Proportional to 39,359.55, 54,317.66 and 22,366.68

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Solution

The fourth proportional to 39,359.55, 54,317.66 and 22,366.68 is: 30,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,359.55 : 54,317.66 = 22,366.68 : x
  2. Step 2: Convert to fraction form
    39,359.55/54,317.66 = 22,366.68/x
  3. Step 3: Cross multiply
    39,359.55x = 54,317.66 × 22,366.68
  4. Step 4: Simplify right side
    39,359.55x = 1,214,905,607.74
  5. Step 5: Solve for x
    x = 1,214,905,607.74/39,359.55
  6. Step 6: Final answer
    x = 30,866.86

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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.