Home / 36,038.90-49,735.68-20,123.48

Finding the Fourth Proportional to 36,038.90, 49,735.68 and 20,123.48

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Solution

The fourth proportional to 36,038.90, 49,735.68 and 20,123.48 is: 27,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.90 : 49,735.68 = 20,123.48 : x
  2. Step 2: Convert to fraction form
    36,038.90/49,735.68 = 20,123.48/x
  3. Step 3: Cross multiply
    36,038.90x = 49,735.68 × 20,123.48
  4. Step 4: Simplify right side
    36,038.90x = 1,000,854,961.77
  5. Step 5: Solve for x
    x = 1,000,854,961.77/36,038.90
  6. Step 6: Final answer
    x = 27,771.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.