Home / 29,011.38-43,510.01-12,135.27

Finding the Fourth Proportional to 29,011.38, 43,510.01 and 12,135.27

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Solution

The fourth proportional to 29,011.38, 43,510.01 and 12,135.27 is: 18,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011.38 : 43,510.01 = 12,135.27 : x
  2. Step 2: Convert to fraction form
    29,011.38/43,510.01 = 12,135.27/x
  3. Step 3: Cross multiply
    29,011.38x = 43,510.01 × 12,135.27
  4. Step 4: Simplify right side
    29,011.38x = 528,005,495.21
  5. Step 5: Solve for x
    x = 528,005,495.21/29,011.38
  6. Step 6: Final answer
    x = 18,199.94

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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.