Home / 35,972.13-53,963.12-12,273.31

Finding the Fourth Proportional to 35,972.13, 53,963.12 and 12,273.31

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Solution

The fourth proportional to 35,972.13, 53,963.12 and 12,273.31 is: 18,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.13 : 53,963.12 = 12,273.31 : x
  2. Step 2: Convert to fraction form
    35,972.13/53,963.12 = 12,273.31/x
  3. Step 3: Cross multiply
    35,972.13x = 53,963.12 × 12,273.31
  4. Step 4: Simplify right side
    35,972.13x = 662,306,038.96
  5. Step 5: Solve for x
    x = 662,306,038.96/35,972.13
  6. Step 6: Final answer
    x = 18,411.64

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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.