Home / 30,095.08-45,153.42-13,453.72

Finding the Fourth Proportional to 30,095.08, 45,153.42 and 13,453.72

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Solution

The fourth proportional to 30,095.08, 45,153.42 and 13,453.72 is: 20,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,095.08 : 45,153.42 = 13,453.72 : x
  2. Step 2: Convert to fraction form
    30,095.08/45,153.42 = 13,453.72/x
  3. Step 3: Cross multiply
    30,095.08x = 45,153.42 × 13,453.72
  4. Step 4: Simplify right side
    30,095.08x = 607,481,469.72
  5. Step 5: Solve for x
    x = 607,481,469.72/30,095.08
  6. Step 6: Final answer
    x = 20,185.41

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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.