Home / 51,210.65-76,763.21-19,612.10

Finding the Fourth Proportional to 51,210.65, 76,763.21 and 19,612.10

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Solution

The fourth proportional to 51,210.65, 76,763.21 and 19,612.10 is: 29,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.65 : 76,763.21 = 19,612.10 : x
  2. Step 2: Convert to fraction form
    51,210.65/76,763.21 = 19,612.10/x
  3. Step 3: Cross multiply
    51,210.65x = 76,763.21 × 19,612.10
  4. Step 4: Simplify right side
    51,210.65x = 1,505,487,268.96
  5. Step 5: Solve for x
    x = 1,505,487,268.96/51,210.65
  6. Step 6: Final answer
    x = 29,397.94

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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.