Home / 35,515.43-53,267.31-14,454.62

Finding the Fourth Proportional to 35,515.43, 53,267.31 and 14,454.62

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Solution

The fourth proportional to 35,515.43, 53,267.31 and 14,454.62 is: 21,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.43 : 53,267.31 = 14,454.62 : x
  2. Step 2: Convert to fraction form
    35,515.43/53,267.31 = 14,454.62/x
  3. Step 3: Cross multiply
    35,515.43x = 53,267.31 × 14,454.62
  4. Step 4: Simplify right side
    35,515.43x = 769,958,458.14
  5. Step 5: Solve for x
    x = 769,958,458.14/35,515.43
  6. Step 6: Final answer
    x = 21,679.55

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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.