Home / 30,628.08-42,286.32-23,901.84

Finding the Fourth Proportional to 30,628.08, 42,286.32 and 23,901.84

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Solution

The fourth proportional to 30,628.08, 42,286.32 and 23,901.84 is: 32,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628.08 : 42,286.32 = 23,901.84 : x
  2. Step 2: Convert to fraction form
    30,628.08/42,286.32 = 23,901.84/x
  3. Step 3: Cross multiply
    30,628.08x = 42,286.32 × 23,901.84
  4. Step 4: Simplify right side
    30,628.08x = 1,010,720,854.83
  5. Step 5: Solve for x
    x = 1,010,720,854.83/30,628.08
  6. Step 6: Final answer
    x = 32,999.81

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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.