Home / 45,971.02-68,960.52-12,691.10

Finding the Fourth Proportional to 45,971.02, 68,960.52 and 12,691.10

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Solution

The fourth proportional to 45,971.02, 68,960.52 and 12,691.10 is: 19,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,971.02 : 68,960.52 = 12,691.10 : x
  2. Step 2: Convert to fraction form
    45,971.02/68,960.52 = 12,691.10/x
  3. Step 3: Cross multiply
    45,971.02x = 68,960.52 × 12,691.10
  4. Step 4: Simplify right side
    45,971.02x = 875,184,855.37
  5. Step 5: Solve for x
    x = 875,184,855.37/45,971.02
  6. Step 6: Final answer
    x = 19,037.75

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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.