Home / 56,222.99-84,346.64-21,162.55

Finding the Fourth Proportional to 56,222.99, 84,346.64 and 21,162.55

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Solution

The fourth proportional to 56,222.99, 84,346.64 and 21,162.55 is: 31,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,222.99 : 84,346.64 = 21,162.55 : x
  2. Step 2: Convert to fraction form
    56,222.99/84,346.64 = 21,162.55/x
  3. Step 3: Cross multiply
    56,222.99x = 84,346.64 × 21,162.55
  4. Step 4: Simplify right side
    56,222.99x = 1,784,989,458.79
  5. Step 5: Solve for x
    x = 1,784,989,458.79/56,222.99
  6. Step 6: Final answer
    x = 31,748.39

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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.