Home / 30,249.18-45,378.61-10,533.34

Finding the Fourth Proportional to 30,249.18, 45,378.61 and 10,533.34

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Solution

The fourth proportional to 30,249.18, 45,378.61 and 10,533.34 is: 15,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.18 : 45,378.61 = 10,533.34 : x
  2. Step 2: Convert to fraction form
    30,249.18/45,378.61 = 10,533.34/x
  3. Step 3: Cross multiply
    30,249.18x = 45,378.61 × 10,533.34
  4. Step 4: Simplify right side
    30,249.18x = 477,988,327.86
  5. Step 5: Solve for x
    x = 477,988,327.86/30,249.18
  6. Step 6: Final answer
    x = 15,801.70

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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.