Home / 43,279.36-64,919.04-10,447.36

Finding the Fourth Proportional to 43,279.36, 64,919.04 and 10,447.36

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Solution

The fourth proportional to 43,279.36, 64,919.04 and 10,447.36 is: 15,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.36 : 64,919.04 = 10,447.36 : x
  2. Step 2: Convert to fraction form
    43,279.36/64,919.04 = 10,447.36/x
  3. Step 3: Cross multiply
    43,279.36x = 64,919.04 × 10,447.36
  4. Step 4: Simplify right side
    43,279.36x = 678,232,581.73
  5. Step 5: Solve for x
    x = 678,232,581.73/43,279.36
  6. Step 6: Final answer
    x = 15,671.04

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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.