Home / 30,217.62-41,657.01-21,237.26

Finding the Fourth Proportional to 30,217.62, 41,657.01 and 21,237.26

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Solution

The fourth proportional to 30,217.62, 41,657.01 and 21,237.26 is: 29,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.62 : 41,657.01 = 21,237.26 : x
  2. Step 2: Convert to fraction form
    30,217.62/41,657.01 = 21,237.26/x
  3. Step 3: Cross multiply
    30,217.62x = 41,657.01 × 21,237.26
  4. Step 4: Simplify right side
    30,217.62x = 884,680,623.55
  5. Step 5: Solve for x
    x = 884,680,623.55/30,217.62
  6. Step 6: Final answer
    x = 29,276.98

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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.