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Finding the Fourth Proportional to 30,063.94, 45,106.10 and 13,435.44

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Solution

The fourth proportional to 30,063.94, 45,106.10 and 13,435.44 is: 20,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.94 : 45,106.10 = 13,435.44 : x
  2. Step 2: Convert to fraction form
    30,063.94/45,106.10 = 13,435.44/x
  3. Step 3: Cross multiply
    30,063.94x = 45,106.10 × 13,435.44
  4. Step 4: Simplify right side
    30,063.94x = 606,020,300.18
  5. Step 5: Solve for x
    x = 606,020,300.18/30,063.94
  6. Step 6: Final answer
    x = 20,157.71

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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.