Home / 45,293.21-67,942.18-13,702.47

Finding the Fourth Proportional to 45,293.21, 67,942.18 and 13,702.47

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Solution

The fourth proportional to 45,293.21, 67,942.18 and 13,702.47 is: 20,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,293.21 : 67,942.18 = 13,702.47 : x
  2. Step 2: Convert to fraction form
    45,293.21/67,942.18 = 13,702.47/x
  3. Step 3: Cross multiply
    45,293.21x = 67,942.18 × 13,702.47
  4. Step 4: Simplify right side
    45,293.21x = 930,975,750.63
  5. Step 5: Solve for x
    x = 930,975,750.63/45,293.21
  6. Step 6: Final answer
    x = 20,554.42

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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.