Home / 56,471.16-84,674.34-21,388.44

Finding the Fourth Proportional to 56,471.16, 84,674.34 and 21,388.44

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Solution

The fourth proportional to 56,471.16, 84,674.34 and 21,388.44 is: 32,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.16 : 84,674.34 = 21,388.44 : x
  2. Step 2: Convert to fraction form
    56,471.16/84,674.34 = 21,388.44/x
  3. Step 3: Cross multiply
    56,471.16x = 84,674.34 × 21,388.44
  4. Step 4: Simplify right side
    56,471.16x = 1,811,052,040.63
  5. Step 5: Solve for x
    x = 1,811,052,040.63/56,471.16
  6. Step 6: Final answer
    x = 32,070.39

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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.