Home / 39,830.67-59,782.96-20,123.07

Finding the Fourth Proportional to 39,830.67, 59,782.96 and 20,123.07

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Solution

The fourth proportional to 39,830.67, 59,782.96 and 20,123.07 is: 30,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.67 : 59,782.96 = 20,123.07 : x
  2. Step 2: Convert to fraction form
    39,830.67/59,782.96 = 20,123.07/x
  3. Step 3: Cross multiply
    39,830.67x = 59,782.96 × 20,123.07
  4. Step 4: Simplify right side
    39,830.67x = 1,203,016,489.85
  5. Step 5: Solve for x
    x = 1,203,016,489.85/39,830.67
  6. Step 6: Final answer
    x = 30,203.27

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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.