Home / 38,180.76-52,688.44-21,184.94

Finding the Fourth Proportional to 38,180.76, 52,688.44 and 21,184.94

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Solution

The fourth proportional to 38,180.76, 52,688.44 and 21,184.94 is: 29,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.76 : 52,688.44 = 21,184.94 : x
  2. Step 2: Convert to fraction form
    38,180.76/52,688.44 = 21,184.94/x
  3. Step 3: Cross multiply
    38,180.76x = 52,688.44 × 21,184.94
  4. Step 4: Simplify right side
    38,180.76x = 1,116,201,440.09
  5. Step 5: Solve for x
    x = 1,116,201,440.09/38,180.76
  6. Step 6: Final answer
    x = 29,234.66

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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.