Home / 30,072.35-41,498.79-16,643.63

Finding the Fourth Proportional to 30,072.35, 41,498.79 and 16,643.63

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Solution

The fourth proportional to 30,072.35, 41,498.79 and 16,643.63 is: 22,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.35 : 41,498.79 = 16,643.63 : x
  2. Step 2: Convert to fraction form
    30,072.35/41,498.79 = 16,643.63/x
  3. Step 3: Cross multiply
    30,072.35x = 41,498.79 × 16,643.63
  4. Step 4: Simplify right side
    30,072.35x = 690,690,506.21
  5. Step 5: Solve for x
    x = 690,690,506.21/30,072.35
  6. Step 6: Final answer
    x = 22,967.63

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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.