Home / 32,963.16-45,478.26-18,621

Finding the Fourth Proportional to 32,963.16, 45,478.26 and 18,621

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Solution

The fourth proportional to 32,963.16, 45,478.26 and 18,621 is: 25,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,963.16 : 45,478.26 = 18,621 : x
  2. Step 2: Convert to fraction form
    32,963.16/45,478.26 = 18,621/x
  3. Step 3: Cross multiply
    32,963.16x = 45,478.26 × 18,621
  4. Step 4: Simplify right side
    32,963.16x = 846,850,679.46
  5. Step 5: Solve for x
    x = 846,850,679.46/32,963.16
  6. Step 6: Final answer
    x = 25,690.82

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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.