Home / 36,826.96-50,812.36-21,718.40

Finding the Fourth Proportional to 36,826.96, 50,812.36 and 21,718.40

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Solution

The fourth proportional to 36,826.96, 50,812.36 and 21,718.40 is: 29,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,826.96 : 50,812.36 = 21,718.40 : x
  2. Step 2: Convert to fraction form
    36,826.96/50,812.36 = 21,718.40/x
  3. Step 3: Cross multiply
    36,826.96x = 50,812.36 × 21,718.40
  4. Step 4: Simplify right side
    36,826.96x = 1,103,563,159.42
  5. Step 5: Solve for x
    x = 1,103,563,159.42/36,826.96
  6. Step 6: Final answer
    x = 29,966.18

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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.