Home / 36,206.84-49,972.20-21,102.68

Finding the Fourth Proportional to 36,206.84, 49,972.20 and 21,102.68

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Solution

The fourth proportional to 36,206.84, 49,972.20 and 21,102.68 is: 29,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206.84 : 49,972.20 = 21,102.68 : x
  2. Step 2: Convert to fraction form
    36,206.84/49,972.20 = 21,102.68/x
  3. Step 3: Cross multiply
    36,206.84x = 49,972.20 × 21,102.68
  4. Step 4: Simplify right side
    36,206.84x = 1,054,547,345.50
  5. Step 5: Solve for x
    x = 1,054,547,345.50/36,206.84
  6. Step 6: Final answer
    x = 29,125.64

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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.