Home / 39,109.44-58,664.13-14,143.64

Finding the Fourth Proportional to 39,109.44, 58,664.13 and 14,143.64

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Solution

The fourth proportional to 39,109.44, 58,664.13 and 14,143.64 is: 21,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,109.44 : 58,664.13 = 14,143.64 : x
  2. Step 2: Convert to fraction form
    39,109.44/58,664.13 = 14,143.64/x
  3. Step 3: Cross multiply
    39,109.44x = 58,664.13 × 14,143.64
  4. Step 4: Simplify right side
    39,109.44x = 829,724,335.63
  5. Step 5: Solve for x
    x = 829,724,335.63/39,109.44
  6. Step 6: Final answer
    x = 21,215.45

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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.