Home / 30,221.08-41,705.07-16,609.03

Finding the Fourth Proportional to 30,221.08, 41,705.07 and 16,609.03

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Solution

The fourth proportional to 30,221.08, 41,705.07 and 16,609.03 is: 22,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,221.08 : 41,705.07 = 16,609.03 : x
  2. Step 2: Convert to fraction form
    30,221.08/41,705.07 = 16,609.03/x
  3. Step 3: Cross multiply
    30,221.08x = 41,705.07 × 16,609.03
  4. Step 4: Simplify right side
    30,221.08x = 692,680,550.26
  5. Step 5: Solve for x
    x = 692,680,550.26/30,221.08
  6. Step 6: Final answer
    x = 22,920.45

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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.