Home / 74,377.14-111,563.52-21,069.01

Finding the Fourth Proportional to 74,377.14, 111,563.52 and 21,069.01

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Solution

The fourth proportional to 74,377.14, 111,563.52 and 21,069.01 is: 31,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,377.14 : 111,563.52 = 21,069.01 : x
  2. Step 2: Convert to fraction form
    74,377.14/111,563.52 = 21,069.01/x
  3. Step 3: Cross multiply
    74,377.14x = 111,563.52 × 21,069.01
  4. Step 4: Simplify right side
    74,377.14x = 2,350,532,918.52
  5. Step 5: Solve for x
    x = 2,350,532,918.52/74,377.14
  6. Step 6: Final answer
    x = 31,602.90

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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.