Home / 39,309.87-54,244.89-22,314.51

Finding the Fourth Proportional to 39,309.87, 54,244.89 and 22,314.51

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Solution

The fourth proportional to 39,309.87, 54,244.89 and 22,314.51 is: 30,792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.87 : 54,244.89 = 22,314.51 : x
  2. Step 2: Convert to fraction form
    39,309.87/54,244.89 = 22,314.51/x
  3. Step 3: Cross multiply
    39,309.87x = 54,244.89 × 22,314.51
  4. Step 4: Simplify right side
    39,309.87x = 1,210,448,140.35
  5. Step 5: Solve for x
    x = 1,210,448,140.35/39,309.87
  6. Step 6: Final answer
    x = 30,792.47

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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.