Home / 35,787.10-53,689.93-13,600.86

Finding the Fourth Proportional to 35,787.10, 53,689.93 and 13,600.86

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Solution

The fourth proportional to 35,787.10, 53,689.93 and 13,600.86 is: 20,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.10 : 53,689.93 = 13,600.86 : x
  2. Step 2: Convert to fraction form
    35,787.10/53,689.93 = 13,600.86/x
  3. Step 3: Cross multiply
    35,787.10x = 53,689.93 × 13,600.86
  4. Step 4: Simplify right side
    35,787.10x = 730,229,221.34
  5. Step 5: Solve for x
    x = 730,229,221.34/35,787.10
  6. Step 6: Final answer
    x = 20,404.82

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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.