Home / 30,060.96-45,087.12-12,527.52

Finding the Fourth Proportional to 30,060.96, 45,087.12 and 12,527.52

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Solution

The fourth proportional to 30,060.96, 45,087.12 and 12,527.52 is: 18,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.96 : 45,087.12 = 12,527.52 : x
  2. Step 2: Convert to fraction form
    30,060.96/45,087.12 = 12,527.52/x
  3. Step 3: Cross multiply
    30,060.96x = 45,087.12 × 12,527.52
  4. Step 4: Simplify right side
    30,060.96x = 564,829,797.54
  5. Step 5: Solve for x
    x = 564,829,797.54/30,060.96
  6. Step 6: Final answer
    x = 18,789.48

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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.