Home / 74,017.63-111,027.59-21,427.30

Finding the Fourth Proportional to 74,017.63, 111,027.59 and 21,427.30

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Solution

The fourth proportional to 74,017.63, 111,027.59 and 21,427.30 is: 32,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.63 : 111,027.59 = 21,427.30 : x
  2. Step 2: Convert to fraction form
    74,017.63/111,027.59 = 21,427.30/x
  3. Step 3: Cross multiply
    74,017.63x = 111,027.59 × 21,427.30
  4. Step 4: Simplify right side
    74,017.63x = 2,379,020,816.93
  5. Step 5: Solve for x
    x = 2,379,020,816.93/74,017.63
  6. Step 6: Final answer
    x = 32,141.27

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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.