Home / 30,231.72-41,718.96-16,802.64

Finding the Fourth Proportional to 30,231.72, 41,718.96 and 16,802.64

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Solution

The fourth proportional to 30,231.72, 41,718.96 and 16,802.64 is: 23,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.72 : 41,718.96 = 16,802.64 : x
  2. Step 2: Convert to fraction form
    30,231.72/41,718.96 = 16,802.64/x
  3. Step 3: Cross multiply
    30,231.72x = 41,718.96 × 16,802.64
  4. Step 4: Simplify right side
    30,231.72x = 700,988,666.05
  5. Step 5: Solve for x
    x = 700,988,666.05/30,231.72
  6. Step 6: Final answer
    x = 23,187.19

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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.