Home / 46,145.76-69,107.64-31,309.80

Finding the Fourth Proportional to 46,145.76, 69,107.64 and 31,309.80

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Solution

The fourth proportional to 46,145.76, 69,107.64 and 31,309.80 is: 46,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,145.76 : 69,107.64 = 31,309.80 : x
  2. Step 2: Convert to fraction form
    46,145.76/69,107.64 = 31,309.80/x
  3. Step 3: Cross multiply
    46,145.76x = 69,107.64 × 31,309.80
  4. Step 4: Simplify right side
    46,145.76x = 2,163,746,386.87
  5. Step 5: Solve for x
    x = 2,163,746,386.87/46,145.76
  6. Step 6: Final answer
    x = 46,889.39

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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.