Home / 48,955.38-67,558.23-28,812.12

Finding the Fourth Proportional to 48,955.38, 67,558.23 and 28,812.12

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Solution

The fourth proportional to 48,955.38, 67,558.23 and 28,812.12 is: 39,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,955.38 : 67,558.23 = 28,812.12 : x
  2. Step 2: Convert to fraction form
    48,955.38/67,558.23 = 28,812.12/x
  3. Step 3: Cross multiply
    48,955.38x = 67,558.23 × 28,812.12
  4. Step 4: Simplify right side
    48,955.38x = 1,946,495,829.75
  5. Step 5: Solve for x
    x = 1,946,495,829.75/48,955.38
  6. Step 6: Final answer
    x = 39,760.61

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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.