Home / 30,255.72-45,367.92-13,601.52

Finding the Fourth Proportional to 30,255.72, 45,367.92 and 13,601.52

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Solution

The fourth proportional to 30,255.72, 45,367.92 and 13,601.52 is: 20,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.72 : 45,367.92 = 13,601.52 : x
  2. Step 2: Convert to fraction form
    30,255.72/45,367.92 = 13,601.52/x
  3. Step 3: Cross multiply
    30,255.72x = 45,367.92 × 13,601.52
  4. Step 4: Simplify right side
    30,255.72x = 617,072,671.24
  5. Step 5: Solve for x
    x = 617,072,671.24/30,255.72
  6. Step 6: Final answer
    x = 20,395.24

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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.