Home / 32,418.20-44,736.36-18,271.28

Finding the Fourth Proportional to 32,418.20, 44,736.36 and 18,271.28

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Solution

The fourth proportional to 32,418.20, 44,736.36 and 18,271.28 is: 25,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.20 : 44,736.36 = 18,271.28 : x
  2. Step 2: Convert to fraction form
    32,418.20/44,736.36 = 18,271.28/x
  3. Step 3: Cross multiply
    32,418.20x = 44,736.36 × 18,271.28
  4. Step 4: Simplify right side
    32,418.20x = 817,390,559.74
  5. Step 5: Solve for x
    x = 817,390,559.74/32,418.20
  6. Step 6: Final answer
    x = 25,213.94

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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.