Home / 69,784.02-104,679.45-19,867.62

Finding the Fourth Proportional to 69,784.02, 104,679.45 and 19,867.62

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Solution

The fourth proportional to 69,784.02, 104,679.45 and 19,867.62 is: 29,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,784.02 : 104,679.45 = 19,867.62 : x
  2. Step 2: Convert to fraction form
    69,784.02/104,679.45 = 19,867.62/x
  3. Step 3: Cross multiply
    69,784.02x = 104,679.45 × 19,867.62
  4. Step 4: Simplify right side
    69,784.02x = 2,079,731,534.41
  5. Step 5: Solve for x
    x = 2,079,731,534.41/69,784.02
  6. Step 6: Final answer
    x = 29,802.40

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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.