Home / 35,782.74-49,376.61-19,865.49

Finding the Fourth Proportional to 35,782.74, 49,376.61 and 19,865.49

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Solution

The fourth proportional to 35,782.74, 49,376.61 and 19,865.49 is: 27,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,782.74 : 49,376.61 = 19,865.49 : x
  2. Step 2: Convert to fraction form
    35,782.74/49,376.61 = 19,865.49/x
  3. Step 3: Cross multiply
    35,782.74x = 49,376.61 × 19,865.49
  4. Step 4: Simplify right side
    35,782.74x = 980,890,552.19
  5. Step 5: Solve for x
    x = 980,890,552.19/35,782.74
  6. Step 6: Final answer
    x = 27,412.39

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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.