Home / 39,080.30-58,625.91-12,779.80

Finding the Fourth Proportional to 39,080.30, 58,625.91 and 12,779.80

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Solution

The fourth proportional to 39,080.30, 58,625.91 and 12,779.80 is: 19,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,080.30 : 58,625.91 = 12,779.80 : x
  2. Step 2: Convert to fraction form
    39,080.30/58,625.91 = 12,779.80/x
  3. Step 3: Cross multiply
    39,080.30x = 58,625.91 × 12,779.80
  4. Step 4: Simplify right side
    39,080.30x = 749,227,258.05
  5. Step 5: Solve for x
    x = 749,227,258.05/39,080.30
  6. Step 6: Final answer
    x = 19,171.48

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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.