Home / 74,376.04-111,564.08-18,972.04

Finding the Fourth Proportional to 74,376.04, 111,564.08 and 18,972.04

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Solution

The fourth proportional to 74,376.04, 111,564.08 and 18,972.04 is: 28,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,376.04 : 111,564.08 = 18,972.04 : x
  2. Step 2: Convert to fraction form
    74,376.04/111,564.08 = 18,972.04/x
  3. Step 3: Cross multiply
    74,376.04x = 111,564.08 × 18,972.04
  4. Step 4: Simplify right side
    74,376.04x = 2,116,598,188.32
  5. Step 5: Solve for x
    x = 2,116,598,188.32/74,376.04
  6. Step 6: Final answer
    x = 28,458.07

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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.