Home / 51,106.42-70,520.18-28,446.36

Finding the Fourth Proportional to 51,106.42, 70,520.18 and 28,446.36

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Solution

The fourth proportional to 51,106.42, 70,520.18 and 28,446.36 is: 39,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106.42 : 70,520.18 = 28,446.36 : x
  2. Step 2: Convert to fraction form
    51,106.42/70,520.18 = 28,446.36/x
  3. Step 3: Cross multiply
    51,106.42x = 70,520.18 × 28,446.36
  4. Step 4: Simplify right side
    51,106.42x = 2,006,042,815.89
  5. Step 5: Solve for x
    x = 2,006,042,815.89/51,106.42
  6. Step 6: Final answer
    x = 39,252.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.