Home / 39,821.34-59,710.37-19,786.89

Finding the Fourth Proportional to 39,821.34, 59,710.37 and 19,786.89

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Solution

The fourth proportional to 39,821.34, 59,710.37 and 19,786.89 is: 29,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.34 : 59,710.37 = 19,786.89 : x
  2. Step 2: Convert to fraction form
    39,821.34/59,710.37 = 19,786.89/x
  3. Step 3: Cross multiply
    39,821.34x = 59,710.37 × 19,786.89
  4. Step 4: Simplify right side
    39,821.34x = 1,181,482,424.11
  5. Step 5: Solve for x
    x = 1,181,482,424.11/39,821.34
  6. Step 6: Final answer
    x = 29,669.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.