Home / 69,867.55-104,817.59-19,948.33

Finding the Fourth Proportional to 69,867.55, 104,817.59 and 19,948.33

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Solution

The fourth proportional to 69,867.55, 104,817.59 and 19,948.33 is: 29,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,867.55 : 104,817.59 = 19,948.33 : x
  2. Step 2: Convert to fraction form
    69,867.55/104,817.59 = 19,948.33/x
  3. Step 3: Cross multiply
    69,867.55x = 104,817.59 × 19,948.33
  4. Step 4: Simplify right side
    69,867.55x = 2,090,935,875.12
  5. Step 5: Solve for x
    x = 2,090,935,875.12/69,867.55
  6. Step 6: Final answer
    x = 29,927.14

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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.