Home / 30,268.83-45,374.09-9,487.47

Finding the Fourth Proportional to 30,268.83, 45,374.09 and 9,487.47

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Solution

The fourth proportional to 30,268.83, 45,374.09 and 9,487.47 is: 14,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.83 : 45,374.09 = 9,487.47 : x
  2. Step 2: Convert to fraction form
    30,268.83/45,374.09 = 9,487.47/x
  3. Step 3: Cross multiply
    30,268.83x = 45,374.09 × 9,487.47
  4. Step 4: Simplify right side
    30,268.83x = 430,485,270.21
  5. Step 5: Solve for x
    x = 430,485,270.21/30,268.83
  6. Step 6: Final answer
    x = 14,222.07

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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.