Home / 30,493.85-45,729.38-10,497.74

Finding the Fourth Proportional to 30,493.85, 45,729.38 and 10,497.74

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Solution

The fourth proportional to 30,493.85, 45,729.38 and 10,497.74 is: 15,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,493.85 : 45,729.38 = 10,497.74 : x
  2. Step 2: Convert to fraction form
    30,493.85/45,729.38 = 10,497.74/x
  3. Step 3: Cross multiply
    30,493.85x = 45,729.38 × 10,497.74
  4. Step 4: Simplify right side
    30,493.85x = 480,054,939.20
  5. Step 5: Solve for x
    x = 480,054,939.20/30,493.85
  6. Step 6: Final answer
    x = 15,742.68

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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.