Home / 56,018.58-84,036.06-20,481.63

Finding the Fourth Proportional to 56,018.58, 84,036.06 and 20,481.63

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Solution

The fourth proportional to 56,018.58, 84,036.06 and 20,481.63 is: 30,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018.58 : 84,036.06 = 20,481.63 : x
  2. Step 2: Convert to fraction form
    56,018.58/84,036.06 = 20,481.63/x
  3. Step 3: Cross multiply
    56,018.58x = 84,036.06 × 20,481.63
  4. Step 4: Simplify right side
    56,018.58x = 1,721,195,487.58
  5. Step 5: Solve for x
    x = 1,721,195,487.58/56,018.58
  6. Step 6: Final answer
    x = 30,725.44

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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.