Home / 39,107.00-58,671.44-12,830.20

Finding the Fourth Proportional to 39,107.00, 58,671.44 and 12,830.20

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Solution

The fourth proportional to 39,107.00, 58,671.44 and 12,830.20 is: 19,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.00 : 58,671.44 = 12,830.20 : x
  2. Step 2: Convert to fraction form
    39,107.00/58,671.44 = 12,830.20/x
  3. Step 3: Cross multiply
    39,107.00x = 58,671.44 × 12,830.20
  4. Step 4: Simplify right side
    39,107.00x = 752,766,146.77
  5. Step 5: Solve for x
    x = 752,766,146.77/39,107.00
  6. Step 6: Final answer
    x = 19,248.88

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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.