Home / 30,778.14-46,130.76-14,124.14

Finding the Fourth Proportional to 30,778.14, 46,130.76 and 14,124.14

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Solution

The fourth proportional to 30,778.14, 46,130.76 and 14,124.14 is: 21,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,778.14 : 46,130.76 = 14,124.14 : x
  2. Step 2: Convert to fraction form
    30,778.14/46,130.76 = 14,124.14/x
  3. Step 3: Cross multiply
    30,778.14x = 46,130.76 × 14,124.14
  4. Step 4: Simplify right side
    30,778.14x = 651,557,081.89
  5. Step 5: Solve for x
    x = 651,557,081.89/30,778.14
  6. Step 6: Final answer
    x = 21,169.48

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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.