Home / 30,603.93-45,905.94-19,499.46

Finding the Fourth Proportional to 30,603.93, 45,905.94 and 19,499.46

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Solution

The fourth proportional to 30,603.93, 45,905.94 and 19,499.46 is: 29,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603.93 : 45,905.94 = 19,499.46 : x
  2. Step 2: Convert to fraction form
    30,603.93/45,905.94 = 19,499.46/x
  3. Step 3: Cross multiply
    30,603.93x = 45,905.94 × 19,499.46
  4. Step 4: Simplify right side
    30,603.93x = 895,141,040.79
  5. Step 5: Solve for x
    x = 895,141,040.79/30,603.93
  6. Step 6: Final answer
    x = 29,249.22

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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.