Home / 29,975.15-41,378.02-20,446.49

Finding the Fourth Proportional to 29,975.15, 41,378.02 and 20,446.49

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Solution

The fourth proportional to 29,975.15, 41,378.02 and 20,446.49 is: 28,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,975.15 : 41,378.02 = 20,446.49 : x
  2. Step 2: Convert to fraction form
    29,975.15/41,378.02 = 20,446.49/x
  3. Step 3: Cross multiply
    29,975.15x = 41,378.02 × 20,446.49
  4. Step 4: Simplify right side
    29,975.15x = 846,035,014.14
  5. Step 5: Solve for x
    x = 846,035,014.14/29,975.15
  6. Step 6: Final answer
    x = 28,224.55

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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.