Home / 30,124.69-45,215.09-15,344.73

Finding the Fourth Proportional to 30,124.69, 45,215.09 and 15,344.73

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Solution

The fourth proportional to 30,124.69, 45,215.09 and 15,344.73 is: 23,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.69 : 45,215.09 = 15,344.73 : x
  2. Step 2: Convert to fraction form
    30,124.69/45,215.09 = 15,344.73/x
  3. Step 3: Cross multiply
    30,124.69x = 45,215.09 × 15,344.73
  4. Step 4: Simplify right side
    30,124.69x = 693,813,347.98
  5. Step 5: Solve for x
    x = 693,813,347.98/30,124.69
  6. Step 6: Final answer
    x = 23,031.39

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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.