Home / 30,355.47-41,871.60-19,596.18

Finding the Fourth Proportional to 30,355.47, 41,871.60 and 19,596.18

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Solution

The fourth proportional to 30,355.47, 41,871.60 and 19,596.18 is: 27,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.47 : 41,871.60 = 19,596.18 : x
  2. Step 2: Convert to fraction form
    30,355.47/41,871.60 = 19,596.18/x
  3. Step 3: Cross multiply
    30,355.47x = 41,871.60 × 19,596.18
  4. Step 4: Simplify right side
    30,355.47x = 820,523,410.49
  5. Step 5: Solve for x
    x = 820,523,410.49/30,355.47
  6. Step 6: Final answer
    x = 27,030.50

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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.