Home / 57,633.21-86,470.16-20,203.71

Finding the Fourth Proportional to 57,633.21, 86,470.16 and 20,203.71

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Solution

The fourth proportional to 57,633.21, 86,470.16 and 20,203.71 is: 30,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,633.21 : 86,470.16 = 20,203.71 : x
  2. Step 2: Convert to fraction form
    57,633.21/86,470.16 = 20,203.71/x
  3. Step 3: Cross multiply
    57,633.21x = 86,470.16 × 20,203.71
  4. Step 4: Simplify right side
    57,633.21x = 1,747,017,935.28
  5. Step 5: Solve for x
    x = 1,747,017,935.28/57,633.21
  6. Step 6: Final answer
    x = 30,312.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.