Home / 30,209.26-41,688.67-18,269.16

Finding the Fourth Proportional to 30,209.26, 41,688.67 and 18,269.16

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Solution

The fourth proportional to 30,209.26, 41,688.67 and 18,269.16 is: 25,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.26 : 41,688.67 = 18,269.16 : x
  2. Step 2: Convert to fraction form
    30,209.26/41,688.67 = 18,269.16/x
  3. Step 3: Cross multiply
    30,209.26x = 41,688.67 × 18,269.16
  4. Step 4: Simplify right side
    30,209.26x = 761,616,982.42
  5. Step 5: Solve for x
    x = 761,616,982.42/30,209.26
  6. Step 6: Final answer
    x = 25,211.38

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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.