Home / 40,349.72-60,534.30-12,647.72

Finding the Fourth Proportional to 40,349.72, 60,534.30 and 12,647.72

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Solution

The fourth proportional to 40,349.72, 60,534.30 and 12,647.72 is: 18,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,349.72 : 60,534.30 = 12,647.72 : x
  2. Step 2: Convert to fraction form
    40,349.72/60,534.30 = 12,647.72/x
  3. Step 3: Cross multiply
    40,349.72x = 60,534.30 × 12,647.72
  4. Step 4: Simplify right side
    40,349.72x = 765,621,028.13
  5. Step 5: Solve for x
    x = 765,621,028.13/40,349.72
  6. Step 6: Final answer
    x = 18,974.63

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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.