Home / 45,801.45-68,685.97-21,782.92

Finding the Fourth Proportional to 45,801.45, 68,685.97 and 21,782.92

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Solution

The fourth proportional to 45,801.45, 68,685.97 and 21,782.92 is: 32,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.45 : 68,685.97 = 21,782.92 : x
  2. Step 2: Convert to fraction form
    45,801.45/68,685.97 = 21,782.92/x
  3. Step 3: Cross multiply
    45,801.45x = 68,685.97 × 21,782.92
  4. Step 4: Simplify right side
    45,801.45x = 1,496,181,301.66
  5. Step 5: Solve for x
    x = 1,496,181,301.66/45,801.45
  6. Step 6: Final answer
    x = 32,666.68

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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.