Home / 36,356.48-54,509.28-14,151.20

Finding the Fourth Proportional to 36,356.48, 54,509.28 and 14,151.20

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Solution

The fourth proportional to 36,356.48, 54,509.28 and 14,151.20 is: 21,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,356.48 : 54,509.28 = 14,151.20 : x
  2. Step 2: Convert to fraction form
    36,356.48/54,509.28 = 14,151.20/x
  3. Step 3: Cross multiply
    36,356.48x = 54,509.28 × 14,151.20
  4. Step 4: Simplify right side
    36,356.48x = 771,371,723.14
  5. Step 5: Solve for x
    x = 771,371,723.14/36,356.48
  6. Step 6: Final answer
    x = 21,216.90

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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.