Home / 40,156.37-55,326.58-26,520.20

Finding the Fourth Proportional to 40,156.37, 55,326.58 and 26,520.20

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Solution

The fourth proportional to 40,156.37, 55,326.58 and 26,520.20 is: 36,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.37 : 55,326.58 = 26,520.20 : x
  2. Step 2: Convert to fraction form
    40,156.37/55,326.58 = 26,520.20/x
  3. Step 3: Cross multiply
    40,156.37x = 55,326.58 × 26,520.20
  4. Step 4: Simplify right side
    40,156.37x = 1,467,271,623.98
  5. Step 5: Solve for x
    x = 1,467,271,623.98/40,156.37
  6. Step 6: Final answer
    x = 36,538.95

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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.