Home / 36,030.84-49,722.26-21,698.70

Finding the Fourth Proportional to 36,030.84, 49,722.26 and 21,698.70

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Solution

The fourth proportional to 36,030.84, 49,722.26 and 21,698.70 is: 29,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.84 : 49,722.26 = 21,698.70 : x
  2. Step 2: Convert to fraction form
    36,030.84/49,722.26 = 21,698.70/x
  3. Step 3: Cross multiply
    36,030.84x = 49,722.26 × 21,698.70
  4. Step 4: Simplify right side
    36,030.84x = 1,078,908,403.06
  5. Step 5: Solve for x
    x = 1,078,908,403.06/36,030.84
  6. Step 6: Final answer
    x = 29,944.03

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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.