Home / 30,761.06-46,141.74-8,574.44

Finding the Fourth Proportional to 30,761.06, 46,141.74 and 8,574.44

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Solution

The fourth proportional to 30,761.06, 46,141.74 and 8,574.44 is: 12,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.06 : 46,141.74 = 8,574.44 : x
  2. Step 2: Convert to fraction form
    30,761.06/46,141.74 = 8,574.44/x
  3. Step 3: Cross multiply
    30,761.06x = 46,141.74 × 8,574.44
  4. Step 4: Simplify right side
    30,761.06x = 395,639,581.13
  5. Step 5: Solve for x
    x = 395,639,581.13/30,761.06
  6. Step 6: Final answer
    x = 12,861.70

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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.