Home / 30,144.56-45,151.02-14,529.38

Finding the Fourth Proportional to 30,144.56, 45,151.02 and 14,529.38

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Solution

The fourth proportional to 30,144.56, 45,151.02 and 14,529.38 is: 21,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.56 : 45,151.02 = 14,529.38 : x
  2. Step 2: Convert to fraction form
    30,144.56/45,151.02 = 14,529.38/x
  3. Step 3: Cross multiply
    30,144.56x = 45,151.02 × 14,529.38
  4. Step 4: Simplify right side
    30,144.56x = 656,016,101.21
  5. Step 5: Solve for x
    x = 656,016,101.21/30,144.56
  6. Step 6: Final answer
    x = 21,762.34

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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.