Home / 69,852.47-104,779.67-19,932.55

Finding the Fourth Proportional to 69,852.47, 104,779.67 and 19,932.55

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Solution

The fourth proportional to 69,852.47, 104,779.67 and 19,932.55 is: 29,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,852.47 : 104,779.67 = 19,932.55 : x
  2. Step 2: Convert to fraction form
    69,852.47/104,779.67 = 19,932.55/x
  3. Step 3: Cross multiply
    69,852.47x = 104,779.67 × 19,932.55
  4. Step 4: Simplify right side
    69,852.47x = 2,088,526,410.81
  5. Step 5: Solve for x
    x = 2,088,526,410.81/69,852.47
  6. Step 6: Final answer
    x = 29,899.11

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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.