Home / 36,416.05-54,629.84-12,730.16

Finding the Fourth Proportional to 36,416.05, 54,629.84 and 12,730.16

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Solution

The fourth proportional to 36,416.05, 54,629.84 and 12,730.16 is: 19,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,416.05 : 54,629.84 = 12,730.16 : x
  2. Step 2: Convert to fraction form
    36,416.05/54,629.84 = 12,730.16/x
  3. Step 3: Cross multiply
    36,416.05x = 54,629.84 × 12,730.16
  4. Step 4: Simplify right side
    36,416.05x = 695,446,772.37
  5. Step 5: Solve for x
    x = 695,446,772.37/36,416.05
  6. Step 6: Final answer
    x = 19,097.26

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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.