Home / 30,064.80-45,096.88-9,288.48

Finding the Fourth Proportional to 30,064.80, 45,096.88 and 9,288.48

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Solution

The fourth proportional to 30,064.80, 45,096.88 and 9,288.48 is: 13,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.80 : 45,096.88 = 9,288.48 : x
  2. Step 2: Convert to fraction form
    30,064.80/45,096.88 = 9,288.48/x
  3. Step 3: Cross multiply
    30,064.80x = 45,096.88 × 9,288.48
  4. Step 4: Simplify right side
    30,064.80x = 418,881,467.94
  5. Step 5: Solve for x
    x = 418,881,467.94/30,064.80
  6. Step 6: Final answer
    x = 13,932.62

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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.