Home / 47,219.48-70,836.90-13,942.91

Finding the Fourth Proportional to 47,219.48, 70,836.90 and 13,942.91

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Solution

The fourth proportional to 47,219.48, 70,836.90 and 13,942.91 is: 20,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,219.48 : 70,836.90 = 13,942.91 : x
  2. Step 2: Convert to fraction form
    47,219.48/70,836.90 = 13,942.91/x
  3. Step 3: Cross multiply
    47,219.48x = 70,836.90 × 13,942.91
  4. Step 4: Simplify right side
    47,219.48x = 987,672,167.19
  5. Step 5: Solve for x
    x = 987,672,167.19/47,219.48
  6. Step 6: Final answer
    x = 20,916.63

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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.