Home / 50,880.80-76,328.40-15,816.80

Finding the Fourth Proportional to 50,880.80, 76,328.40 and 15,816.80

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Solution

The fourth proportional to 50,880.80, 76,328.40 and 15,816.80 is: 23,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,880.80 : 76,328.40 = 15,816.80 : x
  2. Step 2: Convert to fraction form
    50,880.80/76,328.40 = 15,816.80/x
  3. Step 3: Cross multiply
    50,880.80x = 76,328.40 × 15,816.80
  4. Step 4: Simplify right side
    50,880.80x = 1,207,271,037.12
  5. Step 5: Solve for x
    x = 1,207,271,037.12/50,880.80
  6. Step 6: Final answer
    x = 23,727.44

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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.