Home / 34,251.20-51,376.08-15,783.20

Finding the Fourth Proportional to 34,251.20, 51,376.08 and 15,783.20

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Solution

The fourth proportional to 34,251.20, 51,376.08 and 15,783.20 is: 23,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,251.20 : 51,376.08 = 15,783.20 : x
  2. Step 2: Convert to fraction form
    34,251.20/51,376.08 = 15,783.20/x
  3. Step 3: Cross multiply
    34,251.20x = 51,376.08 × 15,783.20
  4. Step 4: Simplify right side
    34,251.20x = 810,878,945.86
  5. Step 5: Solve for x
    x = 810,878,945.86/34,251.20
  6. Step 6: Final answer
    x = 23,674.47

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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.