Home / 36,069.63-49,776.15-20,157.45

Finding the Fourth Proportional to 36,069.63, 49,776.15 and 20,157.45

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Solution

The fourth proportional to 36,069.63, 49,776.15 and 20,157.45 is: 27,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.63 : 49,776.15 = 20,157.45 : x
  2. Step 2: Convert to fraction form
    36,069.63/49,776.15 = 20,157.45/x
  3. Step 3: Cross multiply
    36,069.63x = 49,776.15 × 20,157.45
  4. Step 4: Simplify right side
    36,069.63x = 1,003,360,254.82
  5. Step 5: Solve for x
    x = 1,003,360,254.82/36,069.63
  6. Step 6: Final answer
    x = 27,817.31

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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.