Home / 74,438.40-111,619.20-27,667.20

Finding the Fourth Proportional to 74,438.40, 111,619.20 and 27,667.20

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Solution

The fourth proportional to 74,438.40, 111,619.20 and 27,667.20 is: 41,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,438.40 : 111,619.20 = 27,667.20 : x
  2. Step 2: Convert to fraction form
    74,438.40/111,619.20 = 27,667.20/x
  3. Step 3: Cross multiply
    74,438.40x = 111,619.20 × 27,667.20
  4. Step 4: Simplify right side
    74,438.40x = 3,088,190,730.24
  5. Step 5: Solve for x
    x = 3,088,190,730.24/74,438.40
  6. Step 6: Final answer
    x = 41,486.53

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1.5x scale

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.