Home / 30,262.12-45,394.39-10,542.67

Finding the Fourth Proportional to 30,262.12, 45,394.39 and 10,542.67

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Solution

The fourth proportional to 30,262.12, 45,394.39 and 10,542.67 is: 15,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262.12 : 45,394.39 = 10,542.67 : x
  2. Step 2: Convert to fraction form
    30,262.12/45,394.39 = 10,542.67/x
  3. Step 3: Cross multiply
    30,262.12x = 45,394.39 × 10,542.67
  4. Step 4: Simplify right side
    30,262.12x = 478,578,073.62
  5. Step 5: Solve for x
    x = 478,578,073.62/30,262.12
  6. Step 6: Final answer
    x = 15,814.43

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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.