Home / 35,165.98-52,743.24-12,989.80

Finding the Fourth Proportional to 35,165.98, 52,743.24 and 12,989.80

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Solution

The fourth proportional to 35,165.98, 52,743.24 and 12,989.80 is: 19,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,165.98 : 52,743.24 = 12,989.80 : x
  2. Step 2: Convert to fraction form
    35,165.98/52,743.24 = 12,989.80/x
  3. Step 3: Cross multiply
    35,165.98x = 52,743.24 × 12,989.80
  4. Step 4: Simplify right side
    35,165.98x = 685,124,138.95
  5. Step 5: Solve for x
    x = 685,124,138.95/35,165.98
  6. Step 6: Final answer
    x = 19,482.58

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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.