Home / 39,939.79-55,114.19-22,035.10

Finding the Fourth Proportional to 39,939.79, 55,114.19 and 22,035.10

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Solution

The fourth proportional to 39,939.79, 55,114.19 and 22,035.10 is: 30,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.79 : 55,114.19 = 22,035.10 : x
  2. Step 2: Convert to fraction form
    39,939.79/55,114.19 = 22,035.10/x
  3. Step 3: Cross multiply
    39,939.79x = 55,114.19 × 22,035.10
  4. Step 4: Simplify right side
    39,939.79x = 1,214,446,495.20
  5. Step 5: Solve for x
    x = 1,214,446,495.20/39,939.79
  6. Step 6: Final answer
    x = 30,406.93

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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.