Home / 64,558.16-96,839.98-20,185.74

Finding the Fourth Proportional to 64,558.16, 96,839.98 and 20,185.74

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Solution

The fourth proportional to 64,558.16, 96,839.98 and 20,185.74 is: 30,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,558.16 : 96,839.98 = 20,185.74 : x
  2. Step 2: Convert to fraction form
    64,558.16/96,839.98 = 20,185.74/x
  3. Step 3: Cross multiply
    64,558.16x = 96,839.98 × 20,185.74
  4. Step 4: Simplify right side
    64,558.16x = 1,954,786,657.89
  5. Step 5: Solve for x
    x = 1,954,786,657.89/64,558.16
  6. Step 6: Final answer
    x = 30,279.47

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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.