Home / 30,400.60-45,595.14-10,674.52

Finding the Fourth Proportional to 30,400.60, 45,595.14 and 10,674.52

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Solution

The fourth proportional to 30,400.60, 45,595.14 and 10,674.52 is: 16,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.60 : 45,595.14 = 10,674.52 : x
  2. Step 2: Convert to fraction form
    30,400.60/45,595.14 = 10,674.52/x
  3. Step 3: Cross multiply
    30,400.60x = 45,595.14 × 10,674.52
  4. Step 4: Simplify right side
    30,400.60x = 486,706,233.83
  5. Step 5: Solve for x
    x = 486,706,233.83/30,400.60
  6. Step 6: Final answer
    x = 16,009.76

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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.