Home / 51,515.28-77,235.12-16,434.72

Finding the Fourth Proportional to 51,515.28, 77,235.12 and 16,434.72

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Solution

The fourth proportional to 51,515.28, 77,235.12 and 16,434.72 is: 24,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515.28 : 77,235.12 = 16,434.72 : x
  2. Step 2: Convert to fraction form
    51,515.28/77,235.12 = 16,434.72/x
  3. Step 3: Cross multiply
    51,515.28x = 77,235.12 × 16,434.72
  4. Step 4: Simplify right side
    51,515.28x = 1,269,337,571.37
  5. Step 5: Solve for x
    x = 1,269,337,571.37/51,515.28
  6. Step 6: Final answer
    x = 24,640.02

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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.