Home / 30,115.36-45,183.51-13,477.15

Finding the Fourth Proportional to 30,115.36, 45,183.51 and 13,477.15

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Solution

The fourth proportional to 30,115.36, 45,183.51 and 13,477.15 is: 20,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.36 : 45,183.51 = 13,477.15 : x
  2. Step 2: Convert to fraction form
    30,115.36/45,183.51 = 13,477.15/x
  3. Step 3: Cross multiply
    30,115.36x = 45,183.51 × 13,477.15
  4. Step 4: Simplify right side
    30,115.36x = 608,944,941.80
  5. Step 5: Solve for x
    x = 608,944,941.80/30,115.36
  6. Step 6: Final answer
    x = 20,220.41

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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.