Home / 30,102.59-45,137.45-23,902.43

Finding the Fourth Proportional to 30,102.59, 45,137.45 and 23,902.43

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Solution

The fourth proportional to 30,102.59, 45,137.45 and 23,902.43 is: 35,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.59 : 45,137.45 = 23,902.43 : x
  2. Step 2: Convert to fraction form
    30,102.59/45,137.45 = 23,902.43/x
  3. Step 3: Cross multiply
    30,102.59x = 45,137.45 × 23,902.43
  4. Step 4: Simplify right side
    30,102.59x = 1,078,894,619.49
  5. Step 5: Solve for x
    x = 1,078,894,619.49/30,102.59
  6. Step 6: Final answer
    x = 35,840.59

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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.