Home / 53,327.13-79,921.44-21,700.32

Finding the Fourth Proportional to 53,327.13, 79,921.44 and 21,700.32

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Solution

The fourth proportional to 53,327.13, 79,921.44 and 21,700.32 is: 32,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,327.13 : 79,921.44 = 21,700.32 : x
  2. Step 2: Convert to fraction form
    53,327.13/79,921.44 = 21,700.32/x
  3. Step 3: Cross multiply
    53,327.13x = 79,921.44 × 21,700.32
  4. Step 4: Simplify right side
    53,327.13x = 1,734,320,822.86
  5. Step 5: Solve for x
    x = 1,734,320,822.86/53,327.13
  6. Step 6: Final answer
    x = 32,522.30

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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.