Home / 51,201.19-76,810.58-15,661.65

Finding the Fourth Proportional to 51,201.19, 76,810.58 and 15,661.65

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Solution

The fourth proportional to 51,201.19, 76,810.58 and 15,661.65 is: 23,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.19 : 76,810.58 = 15,661.65 : x
  2. Step 2: Convert to fraction form
    51,201.19/76,810.58 = 15,661.65/x
  3. Step 3: Cross multiply
    51,201.19x = 76,810.58 × 15,661.65
  4. Step 4: Simplify right side
    51,201.19x = 1,202,980,688.72
  5. Step 5: Solve for x
    x = 1,202,980,688.72/51,201.19
  6. Step 6: Final answer
    x = 23,495.17

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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.