Home / 51,396.32-76,955.28-26,720.48

Finding the Fourth Proportional to 51,396.32, 76,955.28 and 26,720.48

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Solution

The fourth proportional to 51,396.32, 76,955.28 and 26,720.48 is: 40,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,396.32 : 76,955.28 = 26,720.48 : x
  2. Step 2: Convert to fraction form
    51,396.32/76,955.28 = 26,720.48/x
  3. Step 3: Cross multiply
    51,396.32x = 76,955.28 × 26,720.48
  4. Step 4: Simplify right side
    51,396.32x = 2,056,282,020.13
  5. Step 5: Solve for x
    x = 2,056,282,020.13/51,396.32
  6. Step 6: Final answer
    x = 40,008.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.