Home / 29,133.19-43,699.81-12,482.43

Finding the Fourth Proportional to 29,133.19, 43,699.81 and 12,482.43

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Solution

The fourth proportional to 29,133.19, 43,699.81 and 12,482.43 is: 18,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,133.19 : 43,699.81 = 12,482.43 : x
  2. Step 2: Convert to fraction form
    29,133.19/43,699.81 = 12,482.43/x
  3. Step 3: Cross multiply
    29,133.19x = 43,699.81 × 12,482.43
  4. Step 4: Simplify right side
    29,133.19x = 545,479,819.34
  5. Step 5: Solve for x
    x = 545,479,819.34/29,133.19
  6. Step 6: Final answer
    x = 18,723.66

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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.