Home / 30,520.14-45,809.80-14,736.30

Finding the Fourth Proportional to 30,520.14, 45,809.80 and 14,736.30

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Solution

The fourth proportional to 30,520.14, 45,809.80 and 14,736.30 is: 22,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,520.14 : 45,809.80 = 14,736.30 : x
  2. Step 2: Convert to fraction form
    30,520.14/45,809.80 = 14,736.30/x
  3. Step 3: Cross multiply
    30,520.14x = 45,809.80 × 14,736.30
  4. Step 4: Simplify right side
    30,520.14x = 675,066,996.58
  5. Step 5: Solve for x
    x = 675,066,996.58/30,520.14
  6. Step 6: Final answer
    x = 22,118.74

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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.