Home / 56,490.03-84,684.70-21,454.29

Finding the Fourth Proportional to 56,490.03, 84,684.70 and 21,454.29

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Solution

The fourth proportional to 56,490.03, 84,684.70 and 21,454.29 is: 32,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.03 : 84,684.70 = 21,454.29 : x
  2. Step 2: Convert to fraction form
    56,490.03/84,684.70 = 21,454.29/x
  3. Step 3: Cross multiply
    56,490.03x = 84,684.70 × 21,454.29
  4. Step 4: Simplify right side
    56,490.03x = 1,816,850,112.36
  5. Step 5: Solve for x
    x = 1,816,850,112.36/56,490.03
  6. Step 6: Final answer
    x = 32,162.31

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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.