Home / 30,310.61-45,436.14-14,511.15

Finding the Fourth Proportional to 30,310.61, 45,436.14 and 14,511.15

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Solution

The fourth proportional to 30,310.61, 45,436.14 and 14,511.15 is: 21,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.61 : 45,436.14 = 14,511.15 : x
  2. Step 2: Convert to fraction form
    30,310.61/45,436.14 = 14,511.15/x
  3. Step 3: Cross multiply
    30,310.61x = 45,436.14 × 14,511.15
  4. Step 4: Simplify right side
    30,310.61x = 659,330,642.96
  5. Step 5: Solve for x
    x = 659,330,642.96/30,310.61
  6. Step 6: Final answer
    x = 21,752.47

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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.