Home / 39,616.99-54,671.62-21,467.77

Finding the Fourth Proportional to 39,616.99, 54,671.62 and 21,467.77

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Solution

The fourth proportional to 39,616.99, 54,671.62 and 21,467.77 is: 29,625.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.99 : 54,671.62 = 21,467.77 : x
  2. Step 2: Convert to fraction form
    39,616.99/54,671.62 = 21,467.77/x
  3. Step 3: Cross multiply
    39,616.99x = 54,671.62 × 21,467.77
  4. Step 4: Simplify right side
    39,616.99x = 1,173,677,763.69
  5. Step 5: Solve for x
    x = 1,173,677,763.69/39,616.99
  6. Step 6: Final answer
    x = 29,625.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.