Home / 29,124.30-43,693.50-20,783.70

Finding the Fourth Proportional to 29,124.30, 43,693.50 and 20,783.70

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Solution

The fourth proportional to 29,124.30, 43,693.50 and 20,783.70 is: 31,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124.30 : 43,693.50 = 20,783.70 : x
  2. Step 2: Convert to fraction form
    29,124.30/43,693.50 = 20,783.70/x
  3. Step 3: Cross multiply
    29,124.30x = 43,693.50 × 20,783.70
  4. Step 4: Simplify right side
    29,124.30x = 908,112,595.95
  5. Step 5: Solve for x
    x = 908,112,595.95/29,124.30
  6. Step 6: Final answer
    x = 31,180.58

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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.