Home / 39,158.71-58,736.00-13,856.47

Finding the Fourth Proportional to 39,158.71, 58,736.00 and 13,856.47

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Solution

The fourth proportional to 39,158.71, 58,736.00 and 13,856.47 is: 20,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.71 : 58,736.00 = 13,856.47 : x
  2. Step 2: Convert to fraction form
    39,158.71/58,736.00 = 13,856.47/x
  3. Step 3: Cross multiply
    39,158.71x = 58,736.00 × 13,856.47
  4. Step 4: Simplify right side
    39,158.71x = 813,873,509.72
  5. Step 5: Solve for x
    x = 813,873,509.72/39,158.71
  6. Step 6: Final answer
    x = 20,783.97

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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.