Home / 30,343.08-45,525.30-15,558.96

Finding the Fourth Proportional to 30,343.08, 45,525.30 and 15,558.96

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Solution

The fourth proportional to 30,343.08, 45,525.30 and 15,558.96 is: 23,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.08 : 45,525.30 = 15,558.96 : x
  2. Step 2: Convert to fraction form
    30,343.08/45,525.30 = 15,558.96/x
  3. Step 3: Cross multiply
    30,343.08x = 45,525.30 × 15,558.96
  4. Step 4: Simplify right side
    30,343.08x = 708,326,321.69
  5. Step 5: Solve for x
    x = 708,326,321.69/30,343.08
  6. Step 6: Final answer
    x = 23,343.92

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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.