Home / 39,977.13-55,165.89-22,977.33

Finding the Fourth Proportional to 39,977.13, 55,165.89 and 22,977.33

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Solution

The fourth proportional to 39,977.13, 55,165.89 and 22,977.33 is: 31,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.13 : 55,165.89 = 22,977.33 : x
  2. Step 2: Convert to fraction form
    39,977.13/55,165.89 = 22,977.33/x
  3. Step 3: Cross multiply
    39,977.13x = 55,165.89 × 22,977.33
  4. Step 4: Simplify right side
    39,977.13x = 1,267,564,859.27
  5. Step 5: Solve for x
    x = 1,267,564,859.27/39,977.13
  6. Step 6: Final answer
    x = 31,707.25

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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.