Home / 30,094.65-45,211.17-21,230.37

Finding the Fourth Proportional to 30,094.65, 45,211.17 and 21,230.37

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Solution

The fourth proportional to 30,094.65, 45,211.17 and 21,230.37 is: 31,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,094.65 : 45,211.17 = 21,230.37 : x
  2. Step 2: Convert to fraction form
    30,094.65/45,211.17 = 21,230.37/x
  3. Step 3: Cross multiply
    30,094.65x = 45,211.17 × 21,230.37
  4. Step 4: Simplify right side
    30,094.65x = 959,849,867.23
  5. Step 5: Solve for x
    x = 959,849,867.23/30,094.65
  6. Step 6: Final answer
    x = 31,894.37

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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.