Home / 74,695.22-112,040.58-30,320.90

Finding the Fourth Proportional to 74,695.22, 112,040.58 and 30,320.90

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Solution

The fourth proportional to 74,695.22, 112,040.58 and 30,320.90 is: 45,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,695.22 : 112,040.58 = 30,320.90 : x
  2. Step 2: Convert to fraction form
    74,695.22/112,040.58 = 30,320.90/x
  3. Step 3: Cross multiply
    74,695.22x = 112,040.58 × 30,320.90
  4. Step 4: Simplify right side
    74,695.22x = 3,397,171,222.12
  5. Step 5: Solve for x
    x = 3,397,171,222.12/74,695.22
  6. Step 6: Final answer
    x = 45,480.44

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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.