Home / 56,616.64-84,895.80-21,063.31

Finding the Fourth Proportional to 56,616.64, 84,895.80 and 21,063.31

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Solution

The fourth proportional to 56,616.64, 84,895.80 and 21,063.31 is: 31,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.64 : 84,895.80 = 21,063.31 : x
  2. Step 2: Convert to fraction form
    56,616.64/84,895.80 = 21,063.31/x
  3. Step 3: Cross multiply
    56,616.64x = 84,895.80 × 21,063.31
  4. Step 4: Simplify right side
    56,616.64x = 1,788,186,553.10
  5. Step 5: Solve for x
    x = 1,788,186,553.10/56,616.64
  6. Step 6: Final answer
    x = 31,584.12

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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.