Home / 30,089.70-45,074.24-14,309.99

Finding the Fourth Proportional to 30,089.70, 45,074.24 and 14,309.99

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Solution

The fourth proportional to 30,089.70, 45,074.24 and 14,309.99 is: 21,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.70 : 45,074.24 = 14,309.99 : x
  2. Step 2: Convert to fraction form
    30,089.70/45,074.24 = 14,309.99/x
  3. Step 3: Cross multiply
    30,089.70x = 45,074.24 × 14,309.99
  4. Step 4: Simplify right side
    30,089.70x = 645,011,721.15
  5. Step 5: Solve for x
    x = 645,011,721.15/30,089.70
  6. Step 6: Final answer
    x = 21,436.29

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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.