Home / 29,706.12-40,963.32-20,750.04

Finding the Fourth Proportional to 29,706.12, 40,963.32 and 20,750.04

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Solution

The fourth proportional to 29,706.12, 40,963.32 and 20,750.04 is: 28,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,706.12 : 40,963.32 = 20,750.04 : x
  2. Step 2: Convert to fraction form
    29,706.12/40,963.32 = 20,750.04/x
  3. Step 3: Cross multiply
    29,706.12x = 40,963.32 × 20,750.04
  4. Step 4: Simplify right side
    29,706.12x = 849,990,528.53
  5. Step 5: Solve for x
    x = 849,990,528.53/29,706.12
  6. Step 6: Final answer
    x = 28,613.31

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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.