Home / 39,319.40-54,265.57-22,328.99

Finding the Fourth Proportional to 39,319.40, 54,265.57 and 22,328.99

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Solution

The fourth proportional to 39,319.40, 54,265.57 and 22,328.99 is: 30,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.40 : 54,265.57 = 22,328.99 : x
  2. Step 2: Convert to fraction form
    39,319.40/54,265.57 = 22,328.99/x
  3. Step 3: Cross multiply
    39,319.40x = 54,265.57 × 22,328.99
  4. Step 4: Simplify right side
    39,319.40x = 1,211,695,369.87
  5. Step 5: Solve for x
    x = 1,211,695,369.87/39,319.40
  6. Step 6: Final answer
    x = 30,816.73

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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.