Home / 30,336.12-45,509.85-10,343.70

Finding the Fourth Proportional to 30,336.12, 45,509.85 and 10,343.70

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Solution

The fourth proportional to 30,336.12, 45,509.85 and 10,343.70 is: 15,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.12 : 45,509.85 = 10,343.70 : x
  2. Step 2: Convert to fraction form
    30,336.12/45,509.85 = 10,343.70/x
  3. Step 3: Cross multiply
    30,336.12x = 45,509.85 × 10,343.70
  4. Step 4: Simplify right side
    30,336.12x = 470,740,235.45
  5. Step 5: Solve for x
    x = 470,740,235.45/30,336.12
  6. Step 6: Final answer
    x = 15,517.48

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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.