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Finding the Fourth Proportional to 46,704.60, 70,060.14 and 13,424.94

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Solution

The fourth proportional to 46,704.60, 70,060.14 and 13,424.94 is: 20,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,704.60 : 70,060.14 = 13,424.94 : x
  2. Step 2: Convert to fraction form
    46,704.60/70,060.14 = 13,424.94/x
  3. Step 3: Cross multiply
    46,704.60x = 70,060.14 × 13,424.94
  4. Step 4: Simplify right side
    46,704.60x = 940,553,175.89
  5. Step 5: Solve for x
    x = 940,553,175.89/46,704.60
  6. Step 6: Final answer
    x = 20,138.34

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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.