Home / 29,178.24-40,282.56-19,271.04

Finding the Fourth Proportional to 29,178.24, 40,282.56 and 19,271.04

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Solution

The fourth proportional to 29,178.24, 40,282.56 and 19,271.04 is: 26,604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.24 : 40,282.56 = 19,271.04 : x
  2. Step 2: Convert to fraction form
    29,178.24/40,282.56 = 19,271.04/x
  3. Step 3: Cross multiply
    29,178.24x = 40,282.56 × 19,271.04
  4. Step 4: Simplify right side
    29,178.24x = 776,286,825.06
  5. Step 5: Solve for x
    x = 776,286,825.06/29,178.24
  6. Step 6: Final answer
    x = 26,604.99

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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.