Home / 51,880.36-77,822.06-20,289.16

Finding the Fourth Proportional to 51,880.36, 77,822.06 and 20,289.16

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Solution

The fourth proportional to 51,880.36, 77,822.06 and 20,289.16 is: 30,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,880.36 : 77,822.06 = 20,289.16 : x
  2. Step 2: Convert to fraction form
    51,880.36/77,822.06 = 20,289.16/x
  3. Step 3: Cross multiply
    51,880.36x = 77,822.06 × 20,289.16
  4. Step 4: Simplify right side
    51,880.36x = 1,578,944,226.87
  5. Step 5: Solve for x
    x = 1,578,944,226.87/51,880.36
  6. Step 6: Final answer
    x = 30,434.33

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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.