Home / 30,723.61-46,026.32-18,842.74

Finding the Fourth Proportional to 30,723.61, 46,026.32 and 18,842.74

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Solution

The fourth proportional to 30,723.61, 46,026.32 and 18,842.74 is: 28,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.61 : 46,026.32 = 18,842.74 : x
  2. Step 2: Convert to fraction form
    30,723.61/46,026.32 = 18,842.74/x
  3. Step 3: Cross multiply
    30,723.61x = 46,026.32 × 18,842.74
  4. Step 4: Simplify right side
    30,723.61x = 867,261,980.92
  5. Step 5: Solve for x
    x = 867,261,980.92/30,723.61
  6. Step 6: Final answer
    x = 28,227.87

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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.