Home / 53,928.46-80,929.16-18,868.42

Finding the Fourth Proportional to 53,928.46, 80,929.16 and 18,868.42

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Solution

The fourth proportional to 53,928.46, 80,929.16 and 18,868.42 is: 28,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,928.46 : 80,929.16 = 18,868.42 : x
  2. Step 2: Convert to fraction form
    53,928.46/80,929.16 = 18,868.42/x
  3. Step 3: Cross multiply
    53,928.46x = 80,929.16 × 18,868.42
  4. Step 4: Simplify right side
    53,928.46x = 1,527,005,286.79
  5. Step 5: Solve for x
    x = 1,527,005,286.79/53,928.46
  6. Step 6: Final answer
    x = 28,315.39

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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.