Home / 69,686.60-104,527.36-19,766.50

Finding the Fourth Proportional to 69,686.60, 104,527.36 and 19,766.50

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Solution

The fourth proportional to 69,686.60, 104,527.36 and 19,766.50 is: 29,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,686.60 : 104,527.36 = 19,766.50 : x
  2. Step 2: Convert to fraction form
    69,686.60/104,527.36 = 19,766.50/x
  3. Step 3: Cross multiply
    69,686.60x = 104,527.36 × 19,766.50
  4. Step 4: Simplify right side
    69,686.60x = 2,066,139,824.83
  5. Step 5: Solve for x
    x = 2,066,139,824.83/69,686.60
  6. Step 6: Final answer
    x = 29,649.03

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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.