Home / 30,072.88-45,108.91-17,671.58

Finding the Fourth Proportional to 30,072.88, 45,108.91 and 17,671.58

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Solution

The fourth proportional to 30,072.88, 45,108.91 and 17,671.58 is: 26,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.88 : 45,108.91 = 17,671.58 : x
  2. Step 2: Convert to fraction form
    30,072.88/45,108.91 = 17,671.58/x
  3. Step 3: Cross multiply
    30,072.88x = 45,108.91 × 17,671.58
  4. Step 4: Simplify right side
    30,072.88x = 797,145,711.78
  5. Step 5: Solve for x
    x = 797,145,711.78/30,072.88
  6. Step 6: Final answer
    x = 26,507.13

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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.