Home / 32,369.20-44,665.36-18,219.31

Finding the Fourth Proportional to 32,369.20, 44,665.36 and 18,219.31

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Solution

The fourth proportional to 32,369.20, 44,665.36 and 18,219.31 is: 25,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,369.20 : 44,665.36 = 18,219.31 : x
  2. Step 2: Convert to fraction form
    32,369.20/44,665.36 = 18,219.31/x
  3. Step 3: Cross multiply
    32,369.20x = 44,665.36 × 18,219.31
  4. Step 4: Simplify right side
    32,369.20x = 813,772,040.10
  5. Step 5: Solve for x
    x = 813,772,040.10/32,369.20
  6. Step 6: Final answer
    x = 25,140.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.