Home / 74,735.41-112,069.38-21,415.19

Finding the Fourth Proportional to 74,735.41, 112,069.38 and 21,415.19

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Solution

The fourth proportional to 74,735.41, 112,069.38 and 21,415.19 is: 32,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,735.41 : 112,069.38 = 21,415.19 : x
  2. Step 2: Convert to fraction form
    74,735.41/112,069.38 = 21,415.19/x
  3. Step 3: Cross multiply
    74,735.41x = 112,069.38 × 21,415.19
  4. Step 4: Simplify right side
    74,735.41x = 2,399,987,189.63
  5. Step 5: Solve for x
    x = 2,399,987,189.63/74,735.41
  6. Step 6: Final answer
    x = 32,113.12

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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.