Home / 49,639.08-74,458.56-20,056.91

Finding the Fourth Proportional to 49,639.08, 74,458.56 and 20,056.91

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Solution

The fourth proportional to 49,639.08, 74,458.56 and 20,056.91 is: 30,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,639.08 : 74,458.56 = 20,056.91 : x
  2. Step 2: Convert to fraction form
    49,639.08/74,458.56 = 20,056.91/x
  3. Step 3: Cross multiply
    49,639.08x = 74,458.56 × 20,056.91
  4. Step 4: Simplify right side
    49,639.08x = 1,493,408,264.36
  5. Step 5: Solve for x
    x = 1,493,408,264.36/49,639.08
  6. Step 6: Final answer
    x = 30,085.33

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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.