Home / 32,662.14-45,073.74-18,515.88

Finding the Fourth Proportional to 32,662.14, 45,073.74 and 18,515.88

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Solution

The fourth proportional to 32,662.14, 45,073.74 and 18,515.88 is: 25,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,662.14 : 45,073.74 = 18,515.88 : x
  2. Step 2: Convert to fraction form
    32,662.14/45,073.74 = 18,515.88/x
  3. Step 3: Cross multiply
    32,662.14x = 45,073.74 × 18,515.88
  4. Step 4: Simplify right side
    32,662.14x = 834,579,960.99
  5. Step 5: Solve for x
    x = 834,579,960.99/32,662.14
  6. Step 6: Final answer
    x = 25,551.91

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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.