Home / 35,772.28-49,366.28-19,857.76

Finding the Fourth Proportional to 35,772.28, 49,366.28 and 19,857.76

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Solution

The fourth proportional to 35,772.28, 49,366.28 and 19,857.76 is: 27,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.28 : 49,366.28 = 19,857.76 : x
  2. Step 2: Convert to fraction form
    35,772.28/49,366.28 = 19,857.76/x
  3. Step 3: Cross multiply
    35,772.28x = 49,366.28 × 19,857.76
  4. Step 4: Simplify right side
    35,772.28x = 980,303,740.33
  5. Step 5: Solve for x
    x = 980,303,740.33/35,772.28
  6. Step 6: Final answer
    x = 27,404.01

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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.