Home / 30,050.30-45,040.06-12,269.86

Finding the Fourth Proportional to 30,050.30, 45,040.06 and 12,269.86

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Solution

The fourth proportional to 30,050.30, 45,040.06 and 12,269.86 is: 18,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.30 : 45,040.06 = 12,269.86 : x
  2. Step 2: Convert to fraction form
    30,050.30/45,040.06 = 12,269.86/x
  3. Step 3: Cross multiply
    30,050.30x = 45,040.06 × 12,269.86
  4. Step 4: Simplify right side
    30,050.30x = 552,635,230.59
  5. Step 5: Solve for x
    x = 552,635,230.59/30,050.30
  6. Step 6: Final answer
    x = 18,390.34

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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.