Home / 50,928.80-76,400.40-15,864.80

Finding the Fourth Proportional to 50,928.80, 76,400.40 and 15,864.80

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Solution

The fourth proportional to 50,928.80, 76,400.40 and 15,864.80 is: 23,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.80 : 76,400.40 = 15,864.80 : x
  2. Step 2: Convert to fraction form
    50,928.80/76,400.40 = 15,864.80/x
  3. Step 3: Cross multiply
    50,928.80x = 76,400.40 × 15,864.80
  4. Step 4: Simplify right side
    50,928.80x = 1,212,077,065.92
  5. Step 5: Solve for x
    x = 1,212,077,065.92/50,928.80
  6. Step 6: Final answer
    x = 23,799.44

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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.