Home / 30,164.55-45,264.47-12,632.91

Finding the Fourth Proportional to 30,164.55, 45,264.47 and 12,632.91

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Solution

The fourth proportional to 30,164.55, 45,264.47 and 12,632.91 is: 18,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.55 : 45,264.47 = 12,632.91 : x
  2. Step 2: Convert to fraction form
    30,164.55/45,264.47 = 12,632.91/x
  3. Step 3: Cross multiply
    30,164.55x = 45,264.47 × 12,632.91
  4. Step 4: Simplify right side
    30,164.55x = 571,821,912.54
  5. Step 5: Solve for x
    x = 571,821,912.54/30,164.55
  6. Step 6: Final answer
    x = 18,956.75

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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.