Home / 30,630.72-42,286.14-26,202.06

Finding the Fourth Proportional to 30,630.72, 42,286.14 and 26,202.06

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Solution

The fourth proportional to 30,630.72, 42,286.14 and 26,202.06 is: 36,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630.72 : 42,286.14 = 26,202.06 : x
  2. Step 2: Convert to fraction form
    30,630.72/42,286.14 = 26,202.06/x
  3. Step 3: Cross multiply
    30,630.72x = 42,286.14 × 26,202.06
  4. Step 4: Simplify right side
    30,630.72x = 1,107,983,977.45
  5. Step 5: Solve for x
    x = 1,107,983,977.45/30,630.72
  6. Step 6: Final answer
    x = 36,172.31

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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.