Home / 30,421.32-45,634.38-10,704.30

Finding the Fourth Proportional to 30,421.32, 45,634.38 and 10,704.30

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Solution

The fourth proportional to 30,421.32, 45,634.38 and 10,704.30 is: 16,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421.32 : 45,634.38 = 10,704.30 : x
  2. Step 2: Convert to fraction form
    30,421.32/45,634.38 = 10,704.30/x
  3. Step 3: Cross multiply
    30,421.32x = 45,634.38 × 10,704.30
  4. Step 4: Simplify right side
    30,421.32x = 488,484,093.83
  5. Step 5: Solve for x
    x = 488,484,093.83/30,421.32
  6. Step 6: Final answer
    x = 16,057.29

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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.