Home / 56,541.66-84,789.27-21,005.34

Finding the Fourth Proportional to 56,541.66, 84,789.27 and 21,005.34

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Solution

The fourth proportional to 56,541.66, 84,789.27 and 21,005.34 is: 31,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,541.66 : 84,789.27 = 21,005.34 : x
  2. Step 2: Convert to fraction form
    56,541.66/84,789.27 = 21,005.34/x
  3. Step 3: Cross multiply
    56,541.66x = 84,789.27 × 21,005.34
  4. Step 4: Simplify right side
    56,541.66x = 1,781,027,444.70
  5. Step 5: Solve for x
    x = 1,781,027,444.70/56,541.66
  6. Step 6: Final answer
    x = 31,499.38

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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.