Home / 46,265-69,392.34-12,986.36

Finding the Fourth Proportional to 46,265, 69,392.34 and 12,986.36

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Solution

The fourth proportional to 46,265, 69,392.34 and 12,986.36 is: 19,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,265 : 69,392.34 = 12,986.36 : x
  2. Step 2: Convert to fraction form
    46,265/69,392.34 = 12,986.36/x
  3. Step 3: Cross multiply
    46,265x = 69,392.34 × 12,986.36
  4. Step 4: Simplify right side
    46,265x = 901,153,908.48
  5. Step 5: Solve for x
    x = 901,153,908.48/46,265
  6. Step 6: Final answer
    x = 19,478.09

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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.