Home / 30,354.35-45,503.79-10,622.14

Finding the Fourth Proportional to 30,354.35, 45,503.79 and 10,622.14

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Solution

The fourth proportional to 30,354.35, 45,503.79 and 10,622.14 is: 15,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.35 : 45,503.79 = 10,622.14 : x
  2. Step 2: Convert to fraction form
    30,354.35/45,503.79 = 10,622.14/x
  3. Step 3: Cross multiply
    30,354.35x = 45,503.79 × 10,622.14
  4. Step 4: Simplify right side
    30,354.35x = 483,347,627.91
  5. Step 5: Solve for x
    x = 483,347,627.91/30,354.35
  6. Step 6: Final answer
    x = 15,923.50

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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.