Home / 34,506.80-47,617.32-20,364.08

Finding the Fourth Proportional to 34,506.80, 47,617.32 and 20,364.08

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Solution

The fourth proportional to 34,506.80, 47,617.32 and 20,364.08 is: 28,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,506.80 : 47,617.32 = 20,364.08 : x
  2. Step 2: Convert to fraction form
    34,506.80/47,617.32 = 20,364.08/x
  3. Step 3: Cross multiply
    34,506.80x = 47,617.32 × 20,364.08
  4. Step 4: Simplify right side
    34,506.80x = 969,682,913.87
  5. Step 5: Solve for x
    x = 969,682,913.87/34,506.80
  6. Step 6: Final answer
    x = 28,101.21

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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.