Home / 30,162.08-45,243.12-16,338.08

Finding the Fourth Proportional to 30,162.08, 45,243.12 and 16,338.08

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Solution

The fourth proportional to 30,162.08, 45,243.12 and 16,338.08 is: 24,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.08 : 45,243.12 = 16,338.08 : x
  2. Step 2: Convert to fraction form
    30,162.08/45,243.12 = 16,338.08/x
  3. Step 3: Cross multiply
    30,162.08x = 45,243.12 × 16,338.08
  4. Step 4: Simplify right side
    30,162.08x = 739,185,714.01
  5. Step 5: Solve for x
    x = 739,185,714.01/30,162.08
  6. Step 6: Final answer
    x = 24,507.12

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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.