Home / 30,567.18-45,847.70-8,382.79

Finding the Fourth Proportional to 30,567.18, 45,847.70 and 8,382.79

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Solution

The fourth proportional to 30,567.18, 45,847.70 and 8,382.79 is: 12,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.18 : 45,847.70 = 8,382.79 : x
  2. Step 2: Convert to fraction form
    30,567.18/45,847.70 = 8,382.79/x
  3. Step 3: Cross multiply
    30,567.18x = 45,847.70 × 8,382.79
  4. Step 4: Simplify right side
    30,567.18x = 384,331,735.07
  5. Step 5: Solve for x
    x = 384,331,735.07/30,567.18
  6. Step 6: Final answer
    x = 12,573.34

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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.