Home / 53,214.42-79,823.30-19,928.14

Finding the Fourth Proportional to 53,214.42, 79,823.30 and 19,928.14

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Solution

The fourth proportional to 53,214.42, 79,823.30 and 19,928.14 is: 29,892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214.42 : 79,823.30 = 19,928.14 : x
  2. Step 2: Convert to fraction form
    53,214.42/79,823.30 = 19,928.14/x
  3. Step 3: Cross multiply
    53,214.42x = 79,823.30 × 19,928.14
  4. Step 4: Simplify right side
    53,214.42x = 1,590,729,897.66
  5. Step 5: Solve for x
    x = 1,590,729,897.66/53,214.42
  6. Step 6: Final answer
    x = 29,892.84

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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.