Home / 30,201.05-41,670.72-18,264.12

Finding the Fourth Proportional to 30,201.05, 41,670.72 and 18,264.12

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Solution

The fourth proportional to 30,201.05, 41,670.72 and 18,264.12 is: 25,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.05 : 41,670.72 = 18,264.12 : x
  2. Step 2: Convert to fraction form
    30,201.05/41,670.72 = 18,264.12/x
  3. Step 3: Cross multiply
    30,201.05x = 41,670.72 × 18,264.12
  4. Step 4: Simplify right side
    30,201.05x = 761,079,030.57
  5. Step 5: Solve for x
    x = 761,079,030.57/30,201.05
  6. Step 6: Final answer
    x = 25,200.42

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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.