Home / 50,499.20-69,686.10-27,838.16

Finding the Fourth Proportional to 50,499.20, 69,686.10 and 27,838.16

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Solution

The fourth proportional to 50,499.20, 69,686.10 and 27,838.16 is: 38,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,499.20 : 69,686.10 = 27,838.16 : x
  2. Step 2: Convert to fraction form
    50,499.20/69,686.10 = 27,838.16/x
  3. Step 3: Cross multiply
    50,499.20x = 69,686.10 × 27,838.16
  4. Step 4: Simplify right side
    50,499.20x = 1,939,932,440.18
  5. Step 5: Solve for x
    x = 1,939,932,440.18/50,499.20
  6. Step 6: Final answer
    x = 38,415.11

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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.