Home / 30,293.01-45,435.87-8,108.10

Finding the Fourth Proportional to 30,293.01, 45,435.87 and 8,108.10

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Solution

The fourth proportional to 30,293.01, 45,435.87 and 8,108.10 is: 12,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.01 : 45,435.87 = 8,108.10 : x
  2. Step 2: Convert to fraction form
    30,293.01/45,435.87 = 8,108.10/x
  3. Step 3: Cross multiply
    30,293.01x = 45,435.87 × 8,108.10
  4. Step 4: Simplify right side
    30,293.01x = 368,398,577.55
  5. Step 5: Solve for x
    x = 368,398,577.55/30,293.01
  6. Step 6: Final answer
    x = 12,161.17

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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.