Home / 39,134.25-58,709.84-12,838.01

Finding the Fourth Proportional to 39,134.25, 58,709.84 and 12,838.01

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Solution

The fourth proportional to 39,134.25, 58,709.84 and 12,838.01 is: 19,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.25 : 58,709.84 = 12,838.01 : x
  2. Step 2: Convert to fraction form
    39,134.25/58,709.84 = 12,838.01/x
  3. Step 3: Cross multiply
    39,134.25x = 58,709.84 × 12,838.01
  4. Step 4: Simplify right side
    39,134.25x = 753,717,155.28
  5. Step 5: Solve for x
    x = 753,717,155.28/39,134.25
  6. Step 6: Final answer
    x = 19,259.78

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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.