Home / 74,968.20-112,452.30-19,564.20

Finding the Fourth Proportional to 74,968.20, 112,452.30 and 19,564.20

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Solution

The fourth proportional to 74,968.20, 112,452.30 and 19,564.20 is: 29,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,968.20 : 112,452.30 = 19,564.20 : x
  2. Step 2: Convert to fraction form
    74,968.20/112,452.30 = 19,564.20/x
  3. Step 3: Cross multiply
    74,968.20x = 112,452.30 × 19,564.20
  4. Step 4: Simplify right side
    74,968.20x = 2,200,039,287.66
  5. Step 5: Solve for x
    x = 2,200,039,287.66/74,968.20
  6. Step 6: Final answer
    x = 29,346.30

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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.