Home / 35,963.64-49,628.80-20,047.76

Finding the Fourth Proportional to 35,963.64, 49,628.80 and 20,047.76

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Solution

The fourth proportional to 35,963.64, 49,628.80 and 20,047.76 is: 27,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,963.64 : 49,628.80 = 20,047.76 : x
  2. Step 2: Convert to fraction form
    35,963.64/49,628.80 = 20,047.76/x
  3. Step 3: Cross multiply
    35,963.64x = 49,628.80 × 20,047.76
  4. Step 4: Simplify right side
    35,963.64x = 994,946,271.49
  5. Step 5: Solve for x
    x = 994,946,271.49/35,963.64
  6. Step 6: Final answer
    x = 27,665.34

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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.