Home / 30,916.26-42,664.68-16,769.16

Finding the Fourth Proportional to 30,916.26, 42,664.68 and 16,769.16

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Solution

The fourth proportional to 30,916.26, 42,664.68 and 16,769.16 is: 23,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,916.26 : 42,664.68 = 16,769.16 : x
  2. Step 2: Convert to fraction form
    30,916.26/42,664.68 = 16,769.16/x
  3. Step 3: Cross multiply
    30,916.26x = 42,664.68 × 16,769.16
  4. Step 4: Simplify right side
    30,916.26x = 715,450,845.27
  5. Step 5: Solve for x
    x = 715,450,845.27/30,916.26
  6. Step 6: Final answer
    x = 23,141.57

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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.