Home / 45,900.98-68,811.38-17,801.68

Finding the Fourth Proportional to 45,900.98, 68,811.38 and 17,801.68

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Solution

The fourth proportional to 45,900.98, 68,811.38 and 17,801.68 is: 26,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,900.98 : 68,811.38 = 17,801.68 : x
  2. Step 2: Convert to fraction form
    45,900.98/68,811.38 = 17,801.68/x
  3. Step 3: Cross multiply
    45,900.98x = 68,811.38 × 17,801.68
  4. Step 4: Simplify right side
    45,900.98x = 1,224,958,167.12
  5. Step 5: Solve for x
    x = 1,224,958,167.12/45,900.98
  6. Step 6: Final answer
    x = 26,686.97

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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.