Home / 30,960.90-46,342.80-16,149.51

Finding the Fourth Proportional to 30,960.90, 46,342.80 and 16,149.51

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Solution

The fourth proportional to 30,960.90, 46,342.80 and 16,149.51 is: 24,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.90 : 46,342.80 = 16,149.51 : x
  2. Step 2: Convert to fraction form
    30,960.90/46,342.80 = 16,149.51/x
  3. Step 3: Cross multiply
    30,960.90x = 46,342.80 × 16,149.51
  4. Step 4: Simplify right side
    30,960.90x = 748,413,512.03
  5. Step 5: Solve for x
    x = 748,413,512.03/30,960.90
  6. Step 6: Final answer
    x = 24,172.86

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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.