Home / 30,028.65-45,043.89-10,306.98

Finding the Fourth Proportional to 30,028.65, 45,043.89 and 10,306.98

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Solution

The fourth proportional to 30,028.65, 45,043.89 and 10,306.98 is: 15,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.65 : 45,043.89 = 10,306.98 : x
  2. Step 2: Convert to fraction form
    30,028.65/45,043.89 = 10,306.98/x
  3. Step 3: Cross multiply
    30,028.65x = 45,043.89 × 10,306.98
  4. Step 4: Simplify right side
    30,028.65x = 464,266,473.35
  5. Step 5: Solve for x
    x = 464,266,473.35/30,028.65
  6. Step 6: Final answer
    x = 15,460.78

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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.