Home / 48,846.85-67,409.42-28,706.40

Finding the Fourth Proportional to 48,846.85, 67,409.42 and 28,706.40

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Solution

The fourth proportional to 48,846.85, 67,409.42 and 28,706.40 is: 39,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,846.85 : 67,409.42 = 28,706.40 : x
  2. Step 2: Convert to fraction form
    48,846.85/67,409.42 = 28,706.40/x
  3. Step 3: Cross multiply
    48,846.85x = 67,409.42 × 28,706.40
  4. Step 4: Simplify right side
    48,846.85x = 1,935,081,630.76
  5. Step 5: Solve for x
    x = 1,935,081,630.76/48,846.85
  6. Step 6: Final answer
    x = 39,615.28

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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.