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Finding the Fourth Proportional to 40,853.04, 61,297 and 19,808.64

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Solution

The fourth proportional to 40,853.04, 61,297 and 19,808.64 is: 29,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,853.04 : 61,297 = 19,808.64 : x
  2. Step 2: Convert to fraction form
    40,853.04/61,297 = 19,808.64/x
  3. Step 3: Cross multiply
    40,853.04x = 61,297 × 19,808.64
  4. Step 4: Simplify right side
    40,853.04x = 1,214,210,206.08
  5. Step 5: Solve for x
    x = 1,214,210,206.08/40,853.04
  6. Step 6: Final answer
    x = 29,721.42

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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.