Home / 30,208.86-41,674.23-18,871.02

Finding the Fourth Proportional to 30,208.86, 41,674.23 and 18,871.02

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Solution

The fourth proportional to 30,208.86, 41,674.23 and 18,871.02 is: 26,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.86 : 41,674.23 = 18,871.02 : x
  2. Step 2: Convert to fraction form
    30,208.86/41,674.23 = 18,871.02/x
  3. Step 3: Cross multiply
    30,208.86x = 41,674.23 × 18,871.02
  4. Step 4: Simplify right side
    30,208.86x = 786,435,227.81
  5. Step 5: Solve for x
    x = 786,435,227.81/30,208.86
  6. Step 6: Final answer
    x = 26,033.26

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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.