Home / 39,777.20-54,894.12-22,784.24

Finding the Fourth Proportional to 39,777.20, 54,894.12 and 22,784.24

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Solution

The fourth proportional to 39,777.20, 54,894.12 and 22,784.24 is: 31,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,777.20 : 54,894.12 = 22,784.24 : x
  2. Step 2: Convert to fraction form
    39,777.20/54,894.12 = 22,784.24/x
  3. Step 3: Cross multiply
    39,777.20x = 54,894.12 × 22,784.24
  4. Step 4: Simplify right side
    39,777.20x = 1,250,720,804.67
  5. Step 5: Solve for x
    x = 1,250,720,804.67/39,777.20
  6. Step 6: Final answer
    x = 31,443.16

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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.