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Finding the Fourth Proportional to 56,363.72, 84,582.48 and 21,303.38

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Solution

The fourth proportional to 56,363.72, 84,582.48 and 21,303.38 is: 31,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,363.72 : 84,582.48 = 21,303.38 : x
  2. Step 2: Convert to fraction form
    56,363.72/84,582.48 = 21,303.38/x
  3. Step 3: Cross multiply
    56,363.72x = 84,582.48 × 21,303.38
  4. Step 4: Simplify right side
    56,363.72x = 1,801,892,712.78
  5. Step 5: Solve for x
    x = 1,801,892,712.78/56,363.72
  6. Step 6: Final answer
    x = 31,969.02

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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.