Home / 36,411.72-54,602.13-15,361.20

Finding the Fourth Proportional to 36,411.72, 54,602.13 and 15,361.20

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Solution

The fourth proportional to 36,411.72, 54,602.13 and 15,361.20 is: 23,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,411.72 : 54,602.13 = 15,361.20 : x
  2. Step 2: Convert to fraction form
    36,411.72/54,602.13 = 15,361.20/x
  3. Step 3: Cross multiply
    36,411.72x = 54,602.13 × 15,361.20
  4. Step 4: Simplify right side
    36,411.72x = 838,754,239.36
  5. Step 5: Solve for x
    x = 838,754,239.36/36,411.72
  6. Step 6: Final answer
    x = 23,035.28

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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.