Home / 53,880.13-80,820.20-16,944.13

Finding the Fourth Proportional to 53,880.13, 80,820.20 and 16,944.13

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Solution

The fourth proportional to 53,880.13, 80,820.20 and 16,944.13 is: 25,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.13 : 80,820.20 = 16,944.13 : x
  2. Step 2: Convert to fraction form
    53,880.13/80,820.20 = 16,944.13/x
  3. Step 3: Cross multiply
    53,880.13x = 80,820.20 × 16,944.13
  4. Step 4: Simplify right side
    53,880.13x = 1,369,427,975.43
  5. Step 5: Solve for x
    x = 1,369,427,975.43/53,880.13
  6. Step 6: Final answer
    x = 25,416.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.