Home / 39,977.75-55,174.16-23,210.75

Finding the Fourth Proportional to 39,977.75, 55,174.16 and 23,210.75

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Solution

The fourth proportional to 39,977.75, 55,174.16 and 23,210.75 is: 32,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.75 : 55,174.16 = 23,210.75 : x
  2. Step 2: Convert to fraction form
    39,977.75/55,174.16 = 23,210.75/x
  3. Step 3: Cross multiply
    39,977.75x = 55,174.16 × 23,210.75
  4. Step 4: Simplify right side
    39,977.75x = 1,280,633,518.17
  5. Step 5: Solve for x
    x = 1,280,633,518.17/39,977.75
  6. Step 6: Final answer
    x = 32,033.66

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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.