Home / 36,001.43-49,681.78-20,085.84

Finding the Fourth Proportional to 36,001.43, 49,681.78 and 20,085.84

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Solution

The fourth proportional to 36,001.43, 49,681.78 and 20,085.84 is: 27,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,001.43 : 49,681.78 = 20,085.84 : x
  2. Step 2: Convert to fraction form
    36,001.43/49,681.78 = 20,085.84/x
  3. Step 3: Cross multiply
    36,001.43x = 49,681.78 × 20,085.84
  4. Step 4: Simplify right side
    36,001.43x = 997,900,284.00
  5. Step 5: Solve for x
    x = 997,900,284.00/36,001.43
  6. Step 6: Final answer
    x = 27,718.35

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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.