Home / 30,116.12-45,177.26-10,394.62

Finding the Fourth Proportional to 30,116.12, 45,177.26 and 10,394.62

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Solution

The fourth proportional to 30,116.12, 45,177.26 and 10,394.62 is: 15,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.12 : 45,177.26 = 10,394.62 : x
  2. Step 2: Convert to fraction form
    30,116.12/45,177.26 = 10,394.62/x
  3. Step 3: Cross multiply
    30,116.12x = 45,177.26 × 10,394.62
  4. Step 4: Simplify right side
    30,116.12x = 469,600,450.34
  5. Step 5: Solve for x
    x = 469,600,450.34/30,116.12
  6. Step 6: Final answer
    x = 15,592.99

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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.