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Finding the Fourth Proportional to 55,441.70, 83,173.51 and 17,994.82

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Solution

The fourth proportional to 55,441.70, 83,173.51 and 17,994.82 is: 26,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.70 : 83,173.51 = 17,994.82 : x
  2. Step 2: Convert to fraction form
    55,441.70/83,173.51 = 17,994.82/x
  3. Step 3: Cross multiply
    55,441.70x = 83,173.51 × 17,994.82
  4. Step 4: Simplify right side
    55,441.70x = 1,496,692,341.22
  5. Step 5: Solve for x
    x = 1,496,692,341.22/55,441.70
  6. Step 6: Final answer
    x = 26,995.79

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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.