Home / 40,281.86-60,360.69-21,564.38

Finding the Fourth Proportional to 40,281.86, 60,360.69 and 21,564.38

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Solution

The fourth proportional to 40,281.86, 60,360.69 and 21,564.38 is: 32,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.86 : 60,360.69 = 21,564.38 : x
  2. Step 2: Convert to fraction form
    40,281.86/60,360.69 = 21,564.38/x
  3. Step 3: Cross multiply
    40,281.86x = 60,360.69 × 21,564.38
  4. Step 4: Simplify right side
    40,281.86x = 1,301,640,856.22
  5. Step 5: Solve for x
    x = 1,301,640,856.22/40,281.86
  6. Step 6: Final answer
    x = 32,313.33

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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.