Home / 45,297.50-67,958.30-15,715.30

Finding the Fourth Proportional to 45,297.50, 67,958.30 and 15,715.30

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Solution

The fourth proportional to 45,297.50, 67,958.30 and 15,715.30 is: 23,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,297.50 : 67,958.30 = 15,715.30 : x
  2. Step 2: Convert to fraction form
    45,297.50/67,958.30 = 15,715.30/x
  3. Step 3: Cross multiply
    45,297.50x = 67,958.30 × 15,715.30
  4. Step 4: Simplify right side
    45,297.50x = 1,067,985,071.99
  5. Step 5: Solve for x
    x = 1,067,985,071.99/45,297.50
  6. Step 6: Final answer
    x = 23,577.13

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1.5x scale

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.