Home / 45,977.34-68,964.60-12,699.42

Finding the Fourth Proportional to 45,977.34, 68,964.60 and 12,699.42

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Solution

The fourth proportional to 45,977.34, 68,964.60 and 12,699.42 is: 19,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,977.34 : 68,964.60 = 12,699.42 : x
  2. Step 2: Convert to fraction form
    45,977.34/68,964.60 = 12,699.42/x
  3. Step 3: Cross multiply
    45,977.34x = 68,964.60 × 12,699.42
  4. Step 4: Simplify right side
    45,977.34x = 875,810,420.53
  5. Step 5: Solve for x
    x = 875,810,420.53/45,977.34
  6. Step 6: Final answer
    x = 19,048.74

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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.