Home / 45,742.80-68,603.10-12,463.02

Finding the Fourth Proportional to 45,742.80, 68,603.10 and 12,463.02

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Solution

The fourth proportional to 45,742.80, 68,603.10 and 12,463.02 is: 18,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.80 : 68,603.10 = 12,463.02 : x
  2. Step 2: Convert to fraction form
    45,742.80/68,603.10 = 12,463.02/x
  3. Step 3: Cross multiply
    45,742.80x = 68,603.10 × 12,463.02
  4. Step 4: Simplify right side
    45,742.80x = 855,001,807.36
  5. Step 5: Solve for x
    x = 855,001,807.36/45,742.80
  6. Step 6: Final answer
    x = 18,691.51

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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.