Home / 30,359.37-45,535.80-9,581.25

Finding the Fourth Proportional to 30,359.37, 45,535.80 and 9,581.25

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Solution

The fourth proportional to 30,359.37, 45,535.80 and 9,581.25 is: 14,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.37 : 45,535.80 = 9,581.25 : x
  2. Step 2: Convert to fraction form
    30,359.37/45,535.80 = 9,581.25/x
  3. Step 3: Cross multiply
    30,359.37x = 45,535.80 × 9,581.25
  4. Step 4: Simplify right side
    30,359.37x = 436,289,883.75
  5. Step 5: Solve for x
    x = 436,289,883.75/30,359.37
  6. Step 6: Final answer
    x = 14,370.85

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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.