Home / 30,451.24-45,670.38-9,669.88

Finding the Fourth Proportional to 30,451.24, 45,670.38 and 9,669.88

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Solution

The fourth proportional to 30,451.24, 45,670.38 and 9,669.88 is: 14,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,451.24 : 45,670.38 = 9,669.88 : x
  2. Step 2: Convert to fraction form
    30,451.24/45,670.38 = 9,669.88/x
  3. Step 3: Cross multiply
    30,451.24x = 45,670.38 × 9,669.88
  4. Step 4: Simplify right side
    30,451.24x = 441,627,094.15
  5. Step 5: Solve for x
    x = 441,627,094.15/30,451.24
  6. Step 6: Final answer
    x = 14,502.76

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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.