Home / 56,614.20-84,917.70-21,553.08

Finding the Fourth Proportional to 56,614.20, 84,917.70 and 21,553.08

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Solution

The fourth proportional to 56,614.20, 84,917.70 and 21,553.08 is: 32,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,614.20 : 84,917.70 = 21,553.08 : x
  2. Step 2: Convert to fraction form
    56,614.20/84,917.70 = 21,553.08/x
  3. Step 3: Cross multiply
    56,614.20x = 84,917.70 × 21,553.08
  4. Step 4: Simplify right side
    56,614.20x = 1,830,237,981.52
  5. Step 5: Solve for x
    x = 1,830,237,981.52/56,614.20
  6. Step 6: Final answer
    x = 32,328.25

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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.