Home / 40,636.72-60,964.26-21,916.36

Finding the Fourth Proportional to 40,636.72, 60,964.26 and 21,916.36

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Solution

The fourth proportional to 40,636.72, 60,964.26 and 21,916.36 is: 32,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,636.72 : 60,964.26 = 21,916.36 : x
  2. Step 2: Convert to fraction form
    40,636.72/60,964.26 = 21,916.36/x
  3. Step 3: Cross multiply
    40,636.72x = 60,964.26 × 21,916.36
  4. Step 4: Simplify right side
    40,636.72x = 1,336,114,669.29
  5. Step 5: Solve for x
    x = 1,336,114,669.29/40,636.72
  6. Step 6: Final answer
    x = 32,879.49

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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.