Home / 30,148.12-45,207-17,671.12

Finding the Fourth Proportional to 30,148.12, 45,207 and 17,671.12

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Solution

The fourth proportional to 30,148.12, 45,207 and 17,671.12 is: 26,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.12 : 45,207 = 17,671.12 : x
  2. Step 2: Convert to fraction form
    30,148.12/45,207 = 17,671.12/x
  3. Step 3: Cross multiply
    30,148.12x = 45,207 × 17,671.12
  4. Step 4: Simplify right side
    30,148.12x = 798,858,321.84
  5. Step 5: Solve for x
    x = 798,858,321.84/30,148.12
  6. Step 6: Final answer
    x = 26,497.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.