Home / 56,187.64-84,293.76-21,127.29

Finding the Fourth Proportional to 56,187.64, 84,293.76 and 21,127.29

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Solution

The fourth proportional to 56,187.64, 84,293.76 and 21,127.29 is: 31,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,187.64 : 84,293.76 = 21,127.29 : x
  2. Step 2: Convert to fraction form
    56,187.64/84,293.76 = 21,127.29/x
  3. Step 3: Cross multiply
    56,187.64x = 84,293.76 × 21,127.29
  4. Step 4: Simplify right side
    56,187.64x = 1,780,898,949.99
  5. Step 5: Solve for x
    x = 1,780,898,949.99/56,187.64
  6. Step 6: Final answer
    x = 31,695.57

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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.