Home / 36,000.90-49,681.26-20,085.35

Finding the Fourth Proportional to 36,000.90, 49,681.26 and 20,085.35

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Solution

The fourth proportional to 36,000.90, 49,681.26 and 20,085.35 is: 27,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.90 : 49,681.26 = 20,085.35 : x
  2. Step 2: Convert to fraction form
    36,000.90/49,681.26 = 20,085.35/x
  3. Step 3: Cross multiply
    36,000.90x = 49,681.26 × 20,085.35
  4. Step 4: Simplify right side
    36,000.90x = 997,865,247.13
  5. Step 5: Solve for x
    x = 997,865,247.13/36,000.90
  6. Step 6: Final answer
    x = 27,717.79

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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.