Home / 35,784.74-49,378.74-19,865.27

Finding the Fourth Proportional to 35,784.74, 49,378.74 and 19,865.27

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Solution

The fourth proportional to 35,784.74, 49,378.74 and 19,865.27 is: 27,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.74 : 49,378.74 = 19,865.27 : x
  2. Step 2: Convert to fraction form
    35,784.74/49,378.74 = 19,865.27/x
  3. Step 3: Cross multiply
    35,784.74x = 49,378.74 × 19,865.27
  4. Step 4: Simplify right side
    35,784.74x = 980,922,002.36
  5. Step 5: Solve for x
    x = 980,922,002.36/35,784.74
  6. Step 6: Final answer
    x = 27,411.74

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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.