Home / 45,441.51-68,157.38-15,859.91

Finding the Fourth Proportional to 45,441.51, 68,157.38 and 15,859.91

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Solution

The fourth proportional to 45,441.51, 68,157.38 and 15,859.91 is: 23,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,441.51 : 68,157.38 = 15,859.91 : x
  2. Step 2: Convert to fraction form
    45,441.51/68,157.38 = 15,859.91/x
  3. Step 3: Cross multiply
    45,441.51x = 68,157.38 × 15,859.91
  4. Step 4: Simplify right side
    45,441.51x = 1,080,969,492.55
  5. Step 5: Solve for x
    x = 1,080,969,492.55/45,441.51
  6. Step 6: Final answer
    x = 23,788.15

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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.