Home / 68,538.42-94,582.35-38,323.80

Finding the Fourth Proportional to 68,538.42, 94,582.35 and 38,323.80

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Solution

The fourth proportional to 68,538.42, 94,582.35 and 38,323.80 is: 52,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,538.42 : 94,582.35 = 38,323.80 : x
  2. Step 2: Convert to fraction form
    68,538.42/94,582.35 = 38,323.80/x
  3. Step 3: Cross multiply
    68,538.42x = 94,582.35 × 38,323.80
  4. Step 4: Simplify right side
    68,538.42x = 3,624,755,064.93
  5. Step 5: Solve for x
    x = 3,624,755,064.93/68,538.42
  6. Step 6: Final answer
    x = 52,886.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.