Home / 30,276.89-45,414.81-13,625.14

Finding the Fourth Proportional to 30,276.89, 45,414.81 and 13,625.14

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Solution

The fourth proportional to 30,276.89, 45,414.81 and 13,625.14 is: 20,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.89 : 45,414.81 = 13,625.14 : x
  2. Step 2: Convert to fraction form
    30,276.89/45,414.81 = 13,625.14/x
  3. Step 3: Cross multiply
    30,276.89x = 45,414.81 × 13,625.14
  4. Step 4: Simplify right side
    30,276.89x = 618,783,144.32
  5. Step 5: Solve for x
    x = 618,783,144.32/30,276.89
  6. Step 6: Final answer
    x = 20,437.47

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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.