Home / 29,640.42-40,880.16-25,178.94

Finding the Fourth Proportional to 29,640.42, 40,880.16 and 25,178.94

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Solution

The fourth proportional to 29,640.42, 40,880.16 and 25,178.94 is: 34,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.42 : 40,880.16 = 25,178.94 : x
  2. Step 2: Convert to fraction form
    29,640.42/40,880.16 = 25,178.94/x
  3. Step 3: Cross multiply
    29,640.42x = 40,880.16 × 25,178.94
  4. Step 4: Simplify right side
    29,640.42x = 1,029,319,095.83
  5. Step 5: Solve for x
    x = 1,029,319,095.83/29,640.42
  6. Step 6: Final answer
    x = 34,726.87

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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.