Home / 30,605.56-45,869.98-13,054.84

Finding the Fourth Proportional to 30,605.56, 45,869.98 and 13,054.84

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Solution

The fourth proportional to 30,605.56, 45,869.98 and 13,054.84 is: 19,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,605.56 : 45,869.98 = 13,054.84 : x
  2. Step 2: Convert to fraction form
    30,605.56/45,869.98 = 13,054.84/x
  3. Step 3: Cross multiply
    30,605.56x = 45,869.98 × 13,054.84
  4. Step 4: Simplify right side
    30,605.56x = 598,825,249.70
  5. Step 5: Solve for x
    x = 598,825,249.70/30,605.56
  6. Step 6: Final answer
    x = 19,565.90

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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.