Home / 45,431.04-62,725.44-28,441.92

Finding the Fourth Proportional to 45,431.04, 62,725.44 and 28,441.92

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Solution

The fourth proportional to 45,431.04, 62,725.44 and 28,441.92 is: 39,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.04 : 62,725.44 = 28,441.92 : x
  2. Step 2: Convert to fraction form
    45,431.04/62,725.44 = 28,441.92/x
  3. Step 3: Cross multiply
    45,431.04x = 62,725.44 × 28,441.92
  4. Step 4: Simplify right side
    45,431.04x = 1,784,031,946.44
  5. Step 5: Solve for x
    x = 1,784,031,946.44/45,431.04
  6. Step 6: Final answer
    x = 39,269.01

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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.