Home / 35,137.36-52,714.68-14,078.80

Finding the Fourth Proportional to 35,137.36, 52,714.68 and 14,078.80

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Solution

The fourth proportional to 35,137.36, 52,714.68 and 14,078.80 is: 21,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,137.36 : 52,714.68 = 14,078.80 : x
  2. Step 2: Convert to fraction form
    35,137.36/52,714.68 = 14,078.80/x
  3. Step 3: Cross multiply
    35,137.36x = 52,714.68 × 14,078.80
  4. Step 4: Simplify right side
    35,137.36x = 742,159,436.78
  5. Step 5: Solve for x
    x = 742,159,436.78/35,137.36
  6. Step 6: Final answer
    x = 21,121.66

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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.