Home / 36,073.12-49,782.00-20,158.24

Finding the Fourth Proportional to 36,073.12, 49,782.00 and 20,158.24

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Solution

The fourth proportional to 36,073.12, 49,782.00 and 20,158.24 is: 27,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.12 : 49,782.00 = 20,158.24 : x
  2. Step 2: Convert to fraction form
    36,073.12/49,782.00 = 20,158.24/x
  3. Step 3: Cross multiply
    36,073.12x = 49,782.00 × 20,158.24
  4. Step 4: Simplify right side
    36,073.12x = 1,003,517,454.82
  5. Step 5: Solve for x
    x = 1,003,517,454.82/36,073.12
  6. Step 6: Final answer
    x = 27,818.98

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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.