Home / 30,242.19-41,731.86-16,812.63

Finding the Fourth Proportional to 30,242.19, 41,731.86 and 16,812.63

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Solution

The fourth proportional to 30,242.19, 41,731.86 and 16,812.63 is: 23,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.19 : 41,731.86 = 16,812.63 : x
  2. Step 2: Convert to fraction form
    30,242.19/41,731.86 = 16,812.63/x
  3. Step 3: Cross multiply
    30,242.19x = 41,731.86 × 16,812.63
  4. Step 4: Simplify right side
    30,242.19x = 701,622,258.34
  5. Step 5: Solve for x
    x = 701,622,258.34/30,242.19
  6. Step 6: Final answer
    x = 23,200.11

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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.