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Finding the Fourth Proportional to 38,145.60, 52,635.60 and 22,017.60

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Solution

The fourth proportional to 38,145.60, 52,635.60 and 22,017.60 is: 30,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,145.60 : 52,635.60 = 22,017.60 : x
  2. Step 2: Convert to fraction form
    38,145.60/52,635.60 = 22,017.60/x
  3. Step 3: Cross multiply
    38,145.60x = 52,635.60 × 22,017.60
  4. Step 4: Simplify right side
    38,145.60x = 1,158,909,586.56
  5. Step 5: Solve for x
    x = 1,158,909,586.56/38,145.60
  6. Step 6: Final answer
    x = 30,381.21

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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.