Home / 30,112.76-41,558.16-16,688.23

Finding the Fourth Proportional to 30,112.76, 41,558.16 and 16,688.23

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Solution

The fourth proportional to 30,112.76, 41,558.16 and 16,688.23 is: 23,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.76 : 41,558.16 = 16,688.23 : x
  2. Step 2: Convert to fraction form
    30,112.76/41,558.16 = 16,688.23/x
  3. Step 3: Cross multiply
    30,112.76x = 41,558.16 × 16,688.23
  4. Step 4: Simplify right side
    30,112.76x = 693,532,091.14
  5. Step 5: Solve for x
    x = 693,532,091.14/30,112.76
  6. Step 6: Final answer
    x = 23,031.17

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Double scale
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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.