Home / 40,809.87-61,247.61-21,094.20

Finding the Fourth Proportional to 40,809.87, 61,247.61 and 21,094.20

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Solution

The fourth proportional to 40,809.87, 61,247.61 and 21,094.20 is: 31,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809.87 : 61,247.61 = 21,094.20 : x
  2. Step 2: Convert to fraction form
    40,809.87/61,247.61 = 21,094.20/x
  3. Step 3: Cross multiply
    40,809.87x = 61,247.61 × 21,094.20
  4. Step 4: Simplify right side
    40,809.87x = 1,291,969,334.86
  5. Step 5: Solve for x
    x = 1,291,969,334.86/40,809.87
  6. Step 6: Final answer
    x = 31,658.26

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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.