Home / 30,806.78-46,169.90-15,801.23

Finding the Fourth Proportional to 30,806.78, 46,169.90 and 15,801.23

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Solution

The fourth proportional to 30,806.78, 46,169.90 and 15,801.23 is: 23,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806.78 : 46,169.90 = 15,801.23 : x
  2. Step 2: Convert to fraction form
    30,806.78/46,169.90 = 15,801.23/x
  3. Step 3: Cross multiply
    30,806.78x = 46,169.90 × 15,801.23
  4. Step 4: Simplify right side
    30,806.78x = 729,541,044.94
  5. Step 5: Solve for x
    x = 729,541,044.94/30,806.78
  6. Step 6: Final answer
    x = 23,681.18

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1.5x scale

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.