Home / 43,284.14-64,919.69-13,698.12

Finding the Fourth Proportional to 43,284.14, 64,919.69 and 13,698.12

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Solution

The fourth proportional to 43,284.14, 64,919.69 and 13,698.12 is: 20,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,284.14 : 64,919.69 = 13,698.12 : x
  2. Step 2: Convert to fraction form
    43,284.14/64,919.69 = 13,698.12/x
  3. Step 3: Cross multiply
    43,284.14x = 64,919.69 × 13,698.12
  4. Step 4: Simplify right side
    43,284.14x = 889,277,703.98
  5. Step 5: Solve for x
    x = 889,277,703.98/43,284.14
  6. Step 6: Final answer
    x = 20,545.12

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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.