Home / 30,222.21-45,335.60-8,035.10

Finding the Fourth Proportional to 30,222.21, 45,335.60 and 8,035.10

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Solution

The fourth proportional to 30,222.21, 45,335.60 and 8,035.10 is: 12,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.21 : 45,335.60 = 8,035.10 : x
  2. Step 2: Convert to fraction form
    30,222.21/45,335.60 = 8,035.10/x
  3. Step 3: Cross multiply
    30,222.21x = 45,335.60 × 8,035.10
  4. Step 4: Simplify right side
    30,222.21x = 364,276,012.85
  5. Step 5: Solve for x
    x = 364,276,012.85/30,222.21
  6. Step 6: Final answer
    x = 12,053.25

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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.