Home / 47,145.74-70,784.20-23,788.58

Finding the Fourth Proportional to 47,145.74, 70,784.20 and 23,788.58

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Solution

The fourth proportional to 47,145.74, 70,784.20 and 23,788.58 is: 35,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.74 : 70,784.20 = 23,788.58 : x
  2. Step 2: Convert to fraction form
    47,145.74/70,784.20 = 23,788.58/x
  3. Step 3: Cross multiply
    47,145.74x = 70,784.20 × 23,788.58
  4. Step 4: Simplify right side
    47,145.74x = 1,683,855,604.44
  5. Step 5: Solve for x
    x = 1,683,855,604.44/47,145.74
  6. Step 6: Final answer
    x = 35,715.97

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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.