Home / 38,745.01-58,123.94-13,779.80

Finding the Fourth Proportional to 38,745.01, 58,123.94 and 13,779.80

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Solution

The fourth proportional to 38,745.01, 58,123.94 and 13,779.80 is: 20,671.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.01 : 58,123.94 = 13,779.80 : x
  2. Step 2: Convert to fraction form
    38,745.01/58,123.94 = 13,779.80/x
  3. Step 3: Cross multiply
    38,745.01x = 58,123.94 × 13,779.80
  4. Step 4: Simplify right side
    38,745.01x = 800,936,268.41
  5. Step 5: Solve for x
    x = 800,936,268.41/38,745.01
  6. Step 6: Final answer
    x = 20,671.99

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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.