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Finding the Fourth Proportional to 30,595.88, 45,888.32 and 8,106.70

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Solution

The fourth proportional to 30,595.88, 45,888.32 and 8,106.70 is: 12,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.88 : 45,888.32 = 8,106.70 : x
  2. Step 2: Convert to fraction form
    30,595.88/45,888.32 = 8,106.70/x
  3. Step 3: Cross multiply
    30,595.88x = 45,888.32 × 8,106.70
  4. Step 4: Simplify right side
    30,595.88x = 372,002,843.74
  5. Step 5: Solve for x
    x = 372,002,843.74/30,595.88
  6. Step 6: Final answer
    x = 12,158.59

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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.