Home / 56,101.44-84,142.78-18,665.46

Finding the Fourth Proportional to 56,101.44, 84,142.78 and 18,665.46

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Solution

The fourth proportional to 56,101.44, 84,142.78 and 18,665.46 is: 27,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.44 : 84,142.78 = 18,665.46 : x
  2. Step 2: Convert to fraction form
    56,101.44/84,142.78 = 18,665.46/x
  3. Step 3: Cross multiply
    56,101.44x = 84,142.78 × 18,665.46
  4. Step 4: Simplify right side
    56,101.44x = 1,570,563,858.07
  5. Step 5: Solve for x
    x = 1,570,563,858.07/56,101.44
  6. Step 6: Final answer
    x = 27,995.07

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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.