Home / 32,905.94-49,315.16-18,870.26

Finding the Fourth Proportional to 32,905.94, 49,315.16 and 18,870.26

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Solution

The fourth proportional to 32,905.94, 49,315.16 and 18,870.26 is: 28,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.94 : 49,315.16 = 18,870.26 : x
  2. Step 2: Convert to fraction form
    32,905.94/49,315.16 = 18,870.26/x
  3. Step 3: Cross multiply
    32,905.94x = 49,315.16 × 18,870.26
  4. Step 4: Simplify right side
    32,905.94x = 930,589,891.14
  5. Step 5: Solve for x
    x = 930,589,891.14/32,905.94
  6. Step 6: Final answer
    x = 28,280.30

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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.