Home / 64,324.60-96,501.08-21,628.57

Finding the Fourth Proportional to 64,324.60, 96,501.08 and 21,628.57

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Solution

The fourth proportional to 64,324.60, 96,501.08 and 21,628.57 is: 32,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,324.60 : 96,501.08 = 21,628.57 : x
  2. Step 2: Convert to fraction form
    64,324.60/96,501.08 = 21,628.57/x
  3. Step 3: Cross multiply
    64,324.60x = 96,501.08 × 21,628.57
  4. Step 4: Simplify right side
    64,324.60x = 2,087,180,363.86
  5. Step 5: Solve for x
    x = 2,087,180,363.86/64,324.60
  6. Step 6: Final answer
    x = 32,447.62

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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.