Home / 34,543.13-51,787.15-17,905.73

Finding the Fourth Proportional to 34,543.13, 51,787.15 and 17,905.73

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Solution

The fourth proportional to 34,543.13, 51,787.15 and 17,905.73 is: 26,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.13 : 51,787.15 = 17,905.73 : x
  2. Step 2: Convert to fraction form
    34,543.13/51,787.15 = 17,905.73/x
  3. Step 3: Cross multiply
    34,543.13x = 51,787.15 × 17,905.73
  4. Step 4: Simplify right side
    34,543.13x = 927,286,421.67
  5. Step 5: Solve for x
    x = 927,286,421.67/34,543.13
  6. Step 6: Final answer
    x = 26,844.31

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1.5x scale

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.