Home / 29,701.76-41,000.64-21,800.48

Finding the Fourth Proportional to 29,701.76, 41,000.64 and 21,800.48

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Solution

The fourth proportional to 29,701.76, 41,000.64 and 21,800.48 is: 30,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,701.76 : 41,000.64 = 21,800.48 : x
  2. Step 2: Convert to fraction form
    29,701.76/41,000.64 = 21,800.48/x
  3. Step 3: Cross multiply
    29,701.76x = 41,000.64 × 21,800.48
  4. Step 4: Simplify right side
    29,701.76x = 893,833,632.31
  5. Step 5: Solve for x
    x = 893,833,632.31/29,701.76
  6. Step 6: Final answer
    x = 30,093.63

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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.