Home / 39,088.36-53,941.98-21,183.21

Finding the Fourth Proportional to 39,088.36, 53,941.98 and 21,183.21

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Solution

The fourth proportional to 39,088.36, 53,941.98 and 21,183.21 is: 29,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.36 : 53,941.98 = 21,183.21 : x
  2. Step 2: Convert to fraction form
    39,088.36/53,941.98 = 21,183.21/x
  3. Step 3: Cross multiply
    39,088.36x = 53,941.98 × 21,183.21
  4. Step 4: Simplify right side
    39,088.36x = 1,142,664,290.16
  5. Step 5: Solve for x
    x = 1,142,664,290.16/39,088.36
  6. Step 6: Final answer
    x = 29,232.85

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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.