Home / 29,012.34-43,444.64-19,121.62

Finding the Fourth Proportional to 29,012.34, 43,444.64 and 19,121.62

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Solution

The fourth proportional to 29,012.34, 43,444.64 and 19,121.62 is: 28,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.34 : 43,444.64 = 19,121.62 : x
  2. Step 2: Convert to fraction form
    29,012.34/43,444.64 = 19,121.62/x
  3. Step 3: Cross multiply
    29,012.34x = 43,444.64 × 19,121.62
  4. Step 4: Simplify right side
    29,012.34x = 830,731,897.12
  5. Step 5: Solve for x
    x = 830,731,897.12/29,012.34
  6. Step 6: Final answer
    x = 28,633.74

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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.