Home / 30,814.40-46,179.48-14,167.28

Finding the Fourth Proportional to 30,814.40, 46,179.48 and 14,167.28

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Solution

The fourth proportional to 30,814.40, 46,179.48 and 14,167.28 is: 21,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,814.40 : 46,179.48 = 14,167.28 : x
  2. Step 2: Convert to fraction form
    30,814.40/46,179.48 = 14,167.28/x
  3. Step 3: Cross multiply
    30,814.40x = 46,179.48 × 14,167.28
  4. Step 4: Simplify right side
    30,814.40x = 654,237,623.41
  5. Step 5: Solve for x
    x = 654,237,623.41/30,814.40
  6. Step 6: Final answer
    x = 21,231.55

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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.