Home / 30,525.12-45,789.48-9,747

Finding the Fourth Proportional to 30,525.12, 45,789.48 and 9,747

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Solution

The fourth proportional to 30,525.12, 45,789.48 and 9,747 is: 14,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,525.12 : 45,789.48 = 9,747 : x
  2. Step 2: Convert to fraction form
    30,525.12/45,789.48 = 9,747/x
  3. Step 3: Cross multiply
    30,525.12x = 45,789.48 × 9,747
  4. Step 4: Simplify right side
    30,525.12x = 446,310,061.56
  5. Step 5: Solve for x
    x = 446,310,061.56/30,525.12
  6. Step 6: Final answer
    x = 14,621.07

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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.