Home / 51,480.68-77,222.39-16,420.34

Finding the Fourth Proportional to 51,480.68, 77,222.39 and 16,420.34

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Solution

The fourth proportional to 51,480.68, 77,222.39 and 16,420.34 is: 24,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480.68 : 77,222.39 = 16,420.34 : x
  2. Step 2: Convert to fraction form
    51,480.68/77,222.39 = 16,420.34/x
  3. Step 3: Cross multiply
    51,480.68x = 77,222.39 × 16,420.34
  4. Step 4: Simplify right side
    51,480.68x = 1,268,017,431.20
  5. Step 5: Solve for x
    x = 1,268,017,431.20/51,480.68
  6. Step 6: Final answer
    x = 24,630.94

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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.