Home / 63,621.78-87,736.73-40,967.29

Finding the Fourth Proportional to 63,621.78, 87,736.73 and 40,967.29

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Solution

The fourth proportional to 63,621.78, 87,736.73 and 40,967.29 is: 56,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.78 : 87,736.73 = 40,967.29 : x
  2. Step 2: Convert to fraction form
    63,621.78/87,736.73 = 40,967.29/x
  3. Step 3: Cross multiply
    63,621.78x = 87,736.73 × 40,967.29
  4. Step 4: Simplify right side
    63,621.78x = 3,594,336,163.98
  5. Step 5: Solve for x
    x = 3,594,336,163.98/63,621.78
  6. Step 6: Final answer
    x = 56,495.38

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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.