Home / 29,999.23-45,001.44-7,812.62

Finding the Fourth Proportional to 29,999.23, 45,001.44 and 7,812.62

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Solution

The fourth proportional to 29,999.23, 45,001.44 and 7,812.62 is: 11,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.23 : 45,001.44 = 7,812.62 : x
  2. Step 2: Convert to fraction form
    29,999.23/45,001.44 = 7,812.62/x
  3. Step 3: Cross multiply
    29,999.23x = 45,001.44 × 7,812.62
  4. Step 4: Simplify right side
    29,999.23x = 351,579,093.92
  5. Step 5: Solve for x
    x = 351,579,093.92/29,999.23
  6. Step 6: Final answer
    x = 11,719.60

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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.