Home / 30,502.26-42,094.28-16,892.03

Finding the Fourth Proportional to 30,502.26, 42,094.28 and 16,892.03

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Solution

The fourth proportional to 30,502.26, 42,094.28 and 16,892.03 is: 23,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502.26 : 42,094.28 = 16,892.03 : x
  2. Step 2: Convert to fraction form
    30,502.26/42,094.28 = 16,892.03/x
  3. Step 3: Cross multiply
    30,502.26x = 42,094.28 × 16,892.03
  4. Step 4: Simplify right side
    30,502.26x = 711,057,988.05
  5. Step 5: Solve for x
    x = 711,057,988.05/30,502.26
  6. Step 6: Final answer
    x = 23,311.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.