Home / 39,700.77-54,787.55-22,704.75

Finding the Fourth Proportional to 39,700.77, 54,787.55 and 22,704.75

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Solution

The fourth proportional to 39,700.77, 54,787.55 and 22,704.75 is: 31,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,700.77 : 54,787.55 = 22,704.75 : x
  2. Step 2: Convert to fraction form
    39,700.77/54,787.55 = 22,704.75/x
  3. Step 3: Cross multiply
    39,700.77x = 54,787.55 × 22,704.75
  4. Step 4: Simplify right side
    39,700.77x = 1,243,937,512.34
  5. Step 5: Solve for x
    x = 1,243,937,512.34/39,700.77
  6. Step 6: Final answer
    x = 31,332.83

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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.