Home / 30,820.30-46,230.30-12,087.10

Finding the Fourth Proportional to 30,820.30, 46,230.30 and 12,087.10

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Solution

The fourth proportional to 30,820.30, 46,230.30 and 12,087.10 is: 18,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820.30 : 46,230.30 = 12,087.10 : x
  2. Step 2: Convert to fraction form
    30,820.30/46,230.30 = 12,087.10/x
  3. Step 3: Cross multiply
    30,820.30x = 46,230.30 × 12,087.10
  4. Step 4: Simplify right side
    30,820.30x = 558,790,259.13
  5. Step 5: Solve for x
    x = 558,790,259.13/30,820.30
  6. Step 6: Final answer
    x = 18,130.59

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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.