Home / 30,356.46-45,523.76-12,827.66

Finding the Fourth Proportional to 30,356.46, 45,523.76 and 12,827.66

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Solution

The fourth proportional to 30,356.46, 45,523.76 and 12,827.66 is: 19,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356.46 : 45,523.76 = 12,827.66 : x
  2. Step 2: Convert to fraction form
    30,356.46/45,523.76 = 12,827.66/x
  3. Step 3: Cross multiply
    30,356.46x = 45,523.76 × 12,827.66
  4. Step 4: Simplify right side
    30,356.46x = 583,963,023.44
  5. Step 5: Solve for x
    x = 583,963,023.44/30,356.46
  6. Step 6: Final answer
    x = 19,236.86

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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.