Home / 39,087.48-58,629.30-12,788.76

Finding the Fourth Proportional to 39,087.48, 58,629.30 and 12,788.76

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Solution

The fourth proportional to 39,087.48, 58,629.30 and 12,788.76 is: 19,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087.48 : 58,629.30 = 12,788.76 : x
  2. Step 2: Convert to fraction form
    39,087.48/58,629.30 = 12,788.76/x
  3. Step 3: Cross multiply
    39,087.48x = 58,629.30 × 12,788.76
  4. Step 4: Simplify right side
    39,087.48x = 749,796,046.67
  5. Step 5: Solve for x
    x = 749,796,046.67/39,087.48
  6. Step 6: Final answer
    x = 19,182.51

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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.