Home / 29,999.09-45,006.98-13,129.09

Finding the Fourth Proportional to 29,999.09, 45,006.98 and 13,129.09

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Solution

The fourth proportional to 29,999.09, 45,006.98 and 13,129.09 is: 19,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.09 : 45,006.98 = 13,129.09 : x
  2. Step 2: Convert to fraction form
    29,999.09/45,006.98 = 13,129.09/x
  3. Step 3: Cross multiply
    29,999.09x = 45,006.98 × 13,129.09
  4. Step 4: Simplify right side
    29,999.09x = 590,900,691.05
  5. Step 5: Solve for x
    x = 590,900,691.05/29,999.09
  6. Step 6: Final answer
    x = 19,697.29

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1.5x scale

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.