Home / 49,340.31-74,015.13-13,801.63

Finding the Fourth Proportional to 49,340.31, 74,015.13 and 13,801.63

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Solution

The fourth proportional to 49,340.31, 74,015.13 and 13,801.63 is: 20,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,340.31 : 74,015.13 = 13,801.63 : x
  2. Step 2: Convert to fraction form
    49,340.31/74,015.13 = 13,801.63/x
  3. Step 3: Cross multiply
    49,340.31x = 74,015.13 × 13,801.63
  4. Step 4: Simplify right side
    49,340.31x = 1,021,529,438.66
  5. Step 5: Solve for x
    x = 1,021,529,438.66/49,340.31
  6. Step 6: Final answer
    x = 20,703.75

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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.