Home / 47,913.33-71,880-16,320.90

Finding the Fourth Proportional to 47,913.33, 71,880 and 16,320.90

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Solution

The fourth proportional to 47,913.33, 71,880 and 16,320.90 is: 24,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,913.33 : 71,880 = 16,320.90 : x
  2. Step 2: Convert to fraction form
    47,913.33/71,880 = 16,320.90/x
  3. Step 3: Cross multiply
    47,913.33x = 71,880 × 16,320.90
  4. Step 4: Simplify right side
    47,913.33x = 1,173,146,292
  5. Step 5: Solve for x
    x = 1,173,146,292/47,913.33
  6. Step 6: Final answer
    x = 24,484.76

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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.