Home / 66,397.43-99,580.94-19,011.62

Finding the Fourth Proportional to 66,397.43, 99,580.94 and 19,011.62

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Solution

The fourth proportional to 66,397.43, 99,580.94 and 19,011.62 is: 28,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.43 : 99,580.94 = 19,011.62 : x
  2. Step 2: Convert to fraction form
    66,397.43/99,580.94 = 19,011.62/x
  3. Step 3: Cross multiply
    66,397.43x = 99,580.94 × 19,011.62
  4. Step 4: Simplify right side
    66,397.43x = 1,893,194,492.62
  5. Step 5: Solve for x
    x = 1,893,194,492.62/66,397.43
  6. Step 6: Final answer
    x = 28,513.07

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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.