Home / 56,276.70-84,426.96-21,216.66

Finding the Fourth Proportional to 56,276.70, 84,426.96 and 21,216.66

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Solution

The fourth proportional to 56,276.70, 84,426.96 and 21,216.66 is: 31,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,276.70 : 84,426.96 = 21,216.66 : x
  2. Step 2: Convert to fraction form
    56,276.70/84,426.96 = 21,216.66/x
  3. Step 3: Cross multiply
    56,276.70x = 84,426.96 × 21,216.66
  4. Step 4: Simplify right side
    56,276.70x = 1,791,258,105.15
  5. Step 5: Solve for x
    x = 1,791,258,105.15/56,276.70
  6. Step 6: Final answer
    x = 31,829.48

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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.