Home / 30,455.16-45,687.66-9,390.27

Finding the Fourth Proportional to 30,455.16, 45,687.66 and 9,390.27

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Solution

The fourth proportional to 30,455.16, 45,687.66 and 9,390.27 is: 14,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455.16 : 45,687.66 = 9,390.27 : x
  2. Step 2: Convert to fraction form
    30,455.16/45,687.66 = 9,390.27/x
  3. Step 3: Cross multiply
    30,455.16x = 45,687.66 × 9,390.27
  4. Step 4: Simplify right side
    30,455.16x = 429,019,463.07
  5. Step 5: Solve for x
    x = 429,019,463.07/30,455.16
  6. Step 6: Final answer
    x = 14,086.92

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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.