Home / 45,819.08-68,611.98-30,189.32

Finding the Fourth Proportional to 45,819.08, 68,611.98 and 30,189.32

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Solution

The fourth proportional to 45,819.08, 68,611.98 and 30,189.32 is: 45,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,819.08 : 68,611.98 = 30,189.32 : x
  2. Step 2: Convert to fraction form
    45,819.08/68,611.98 = 30,189.32/x
  3. Step 3: Cross multiply
    45,819.08x = 68,611.98 × 30,189.32
  4. Step 4: Simplify right side
    45,819.08x = 2,071,349,020.05
  5. Step 5: Solve for x
    x = 2,071,349,020.05/45,819.08
  6. Step 6: Final answer
    x = 45,207.13

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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.