Home / 30,450.48-45,680.96-10,459.02

Finding the Fourth Proportional to 30,450.48, 45,680.96 and 10,459.02

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Solution

The fourth proportional to 30,450.48, 45,680.96 and 10,459.02 is: 15,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450.48 : 45,680.96 = 10,459.02 : x
  2. Step 2: Convert to fraction form
    30,450.48/45,680.96 = 10,459.02/x
  3. Step 3: Cross multiply
    30,450.48x = 45,680.96 × 10,459.02
  4. Step 4: Simplify right side
    30,450.48x = 477,778,021.96
  5. Step 5: Solve for x
    x = 477,778,021.96/30,450.48
  6. Step 6: Final answer
    x = 15,690.33

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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.