Home / 30,600.72-45,901.32-16,742.16

Finding the Fourth Proportional to 30,600.72, 45,901.32 and 16,742.16

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Solution

The fourth proportional to 30,600.72, 45,901.32 and 16,742.16 is: 25,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.72 : 45,901.32 = 16,742.16 : x
  2. Step 2: Convert to fraction form
    30,600.72/45,901.32 = 16,742.16/x
  3. Step 3: Cross multiply
    30,600.72x = 45,901.32 × 16,742.16
  4. Step 4: Simplify right side
    30,600.72x = 768,487,243.65
  5. Step 5: Solve for x
    x = 768,487,243.65/30,600.72
  6. Step 6: Final answer
    x = 25,113.37

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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.