Home / 30,146.31-41,602.92-18,207.27

Finding the Fourth Proportional to 30,146.31, 41,602.92 and 18,207.27

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Solution

The fourth proportional to 30,146.31, 41,602.92 and 18,207.27 is: 25,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.31 : 41,602.92 = 18,207.27 : x
  2. Step 2: Convert to fraction form
    30,146.31/41,602.92 = 18,207.27/x
  3. Step 3: Cross multiply
    30,146.31x = 41,602.92 × 18,207.27
  4. Step 4: Simplify right side
    30,146.31x = 757,475,597.23
  5. Step 5: Solve for x
    x = 757,475,597.23/30,146.31
  6. Step 6: Final answer
    x = 25,126.64

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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.