Home / 29,966.83-41,341.62-21,020.18

Finding the Fourth Proportional to 29,966.83, 41,341.62 and 21,020.18

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Solution

The fourth proportional to 29,966.83, 41,341.62 and 21,020.18 is: 28,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,966.83 : 41,341.62 = 21,020.18 : x
  2. Step 2: Convert to fraction form
    29,966.83/41,341.62 = 21,020.18/x
  3. Step 3: Cross multiply
    29,966.83x = 41,341.62 × 21,020.18
  4. Step 4: Simplify right side
    29,966.83x = 869,008,293.89
  5. Step 5: Solve for x
    x = 869,008,293.89/29,966.83
  6. Step 6: Final answer
    x = 28,999.01

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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.