Home / 52,707.14-79,071.28-19,427.36

Finding the Fourth Proportional to 52,707.14, 79,071.28 and 19,427.36

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Solution

The fourth proportional to 52,707.14, 79,071.28 and 19,427.36 is: 29,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,707.14 : 79,071.28 = 19,427.36 : x
  2. Step 2: Convert to fraction form
    52,707.14/79,071.28 = 19,427.36/x
  3. Step 3: Cross multiply
    52,707.14x = 79,071.28 × 19,427.36
  4. Step 4: Simplify right side
    52,707.14x = 1,536,146,222.22
  5. Step 5: Solve for x
    x = 1,536,146,222.22/52,707.14
  6. Step 6: Final answer
    x = 29,144.94

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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.