Home / 30,013.00-45,024.65-13,372.66

Finding the Fourth Proportional to 30,013.00, 45,024.65 and 13,372.66

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Solution

The fourth proportional to 30,013.00, 45,024.65 and 13,372.66 is: 20,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.00 : 45,024.65 = 13,372.66 : x
  2. Step 2: Convert to fraction form
    30,013.00/45,024.65 = 13,372.66/x
  3. Step 3: Cross multiply
    30,013.00x = 45,024.65 × 13,372.66
  4. Step 4: Simplify right side
    30,013.00x = 602,099,375.63
  5. Step 5: Solve for x
    x = 602,099,375.63/30,013.00
  6. Step 6: Final answer
    x = 20,061.29

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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.