Home / 30,334.98-45,503.15-10,344.45

Finding the Fourth Proportional to 30,334.98, 45,503.15 and 10,344.45

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Solution

The fourth proportional to 30,334.98, 45,503.15 and 10,344.45 is: 15,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.98 : 45,503.15 = 10,344.45 : x
  2. Step 2: Convert to fraction form
    30,334.98/45,503.15 = 10,344.45/x
  3. Step 3: Cross multiply
    30,334.98x = 45,503.15 × 10,344.45
  4. Step 4: Simplify right side
    30,334.98x = 470,705,008.30
  5. Step 5: Solve for x
    x = 470,705,008.30/30,334.98
  6. Step 6: Final answer
    x = 15,516.91

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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.