Home / 47,136.10-70,645.83-23,749.78

Finding the Fourth Proportional to 47,136.10, 70,645.83 and 23,749.78

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Solution

The fourth proportional to 47,136.10, 70,645.83 and 23,749.78 is: 35,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,136.10 : 70,645.83 = 23,749.78 : x
  2. Step 2: Convert to fraction form
    47,136.10/70,645.83 = 23,749.78/x
  3. Step 3: Cross multiply
    47,136.10x = 70,645.83 × 23,749.78
  4. Step 4: Simplify right side
    47,136.10x = 1,677,822,920.42
  5. Step 5: Solve for x
    x = 1,677,822,920.42/47,136.10
  6. Step 6: Final answer
    x = 35,595.29

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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.