Home / 56,426.44-84,579.98-20,864.91

Finding the Fourth Proportional to 56,426.44, 84,579.98 and 20,864.91

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Solution

The fourth proportional to 56,426.44, 84,579.98 and 20,864.91 is: 31,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,426.44 : 84,579.98 = 20,864.91 : x
  2. Step 2: Convert to fraction form
    56,426.44/84,579.98 = 20,864.91/x
  3. Step 3: Cross multiply
    56,426.44x = 84,579.98 × 20,864.91
  4. Step 4: Simplify right side
    56,426.44x = 1,764,753,524.95
  5. Step 5: Solve for x
    x = 1,764,753,524.95/56,426.44
  6. Step 6: Final answer
    x = 31,275.29

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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.