Home / 66,302.79-99,457.46-18,924.86

Finding the Fourth Proportional to 66,302.79, 99,457.46 and 18,924.86

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Solution

The fourth proportional to 66,302.79, 99,457.46 and 18,924.86 is: 28,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,302.79 : 99,457.46 = 18,924.86 : x
  2. Step 2: Convert to fraction form
    66,302.79/99,457.46 = 18,924.86/x
  3. Step 3: Cross multiply
    66,302.79x = 99,457.46 × 18,924.86
  4. Step 4: Simplify right side
    66,302.79x = 1,882,217,914.54
  5. Step 5: Solve for x
    x = 1,882,217,914.54/66,302.79
  6. Step 6: Final answer
    x = 28,388.22

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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.