Home / 39,965.58-59,941.65-14,659.86

Finding the Fourth Proportional to 39,965.58, 59,941.65 and 14,659.86

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Solution

The fourth proportional to 39,965.58, 59,941.65 and 14,659.86 is: 21,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.58 : 59,941.65 = 14,659.86 : x
  2. Step 2: Convert to fraction form
    39,965.58/59,941.65 = 14,659.86/x
  3. Step 3: Cross multiply
    39,965.58x = 59,941.65 × 14,659.86
  4. Step 4: Simplify right side
    39,965.58x = 878,736,197.17
  5. Step 5: Solve for x
    x = 878,736,197.17/39,965.58
  6. Step 6: Final answer
    x = 21,987.33

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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.