Home / 39,010.96-58,509.78-12,709.72

Finding the Fourth Proportional to 39,010.96, 58,509.78 and 12,709.72

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Solution

The fourth proportional to 39,010.96, 58,509.78 and 12,709.72 is: 19,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,010.96 : 58,509.78 = 12,709.72 : x
  2. Step 2: Convert to fraction form
    39,010.96/58,509.78 = 12,709.72/x
  3. Step 3: Cross multiply
    39,010.96x = 58,509.78 × 12,709.72
  4. Step 4: Simplify right side
    39,010.96x = 743,642,921.06
  5. Step 5: Solve for x
    x = 743,642,921.06/39,010.96
  6. Step 6: Final answer
    x = 19,062.41

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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.