Home / 30,231.12-41,718.76-16,802.16

Finding the Fourth Proportional to 30,231.12, 41,718.76 and 16,802.16

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Solution

The fourth proportional to 30,231.12, 41,718.76 and 16,802.16 is: 23,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.12 : 41,718.76 = 16,802.16 : x
  2. Step 2: Convert to fraction form
    30,231.12/41,718.76 = 16,802.16/x
  3. Step 3: Cross multiply
    30,231.12x = 41,718.76 × 16,802.16
  4. Step 4: Simplify right side
    30,231.12x = 700,965,280.52
  5. Step 5: Solve for x
    x = 700,965,280.52/30,231.12
  6. Step 6: Final answer
    x = 23,186.88

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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.