Home / 74,693.22-112,037.58-30,318.90

Finding the Fourth Proportional to 74,693.22, 112,037.58 and 30,318.90

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Solution

The fourth proportional to 74,693.22, 112,037.58 and 30,318.90 is: 45,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.22 : 112,037.58 = 30,318.90 : x
  2. Step 2: Convert to fraction form
    74,693.22/112,037.58 = 30,318.90/x
  3. Step 3: Cross multiply
    74,693.22x = 112,037.58 × 30,318.90
  4. Step 4: Simplify right side
    74,693.22x = 3,396,856,184.26
  5. Step 5: Solve for x
    x = 3,396,856,184.26/74,693.22
  6. Step 6: Final answer
    x = 45,477.44

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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.