Home / 53,266.03-79,878.20-19,967.94

Finding the Fourth Proportional to 53,266.03, 79,878.20 and 19,967.94

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Solution

The fourth proportional to 53,266.03, 79,878.20 and 19,967.94 is: 29,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,266.03 : 79,878.20 = 19,967.94 : x
  2. Step 2: Convert to fraction form
    53,266.03/79,878.20 = 19,967.94/x
  3. Step 3: Cross multiply
    53,266.03x = 79,878.20 × 19,967.94
  4. Step 4: Simplify right side
    53,266.03x = 1,595,003,342.05
  5. Step 5: Solve for x
    x = 1,595,003,342.05/53,266.03
  6. Step 6: Final answer
    x = 29,944.10

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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.