Home / 52,538.88-72,518.40-30,190.08

Finding the Fourth Proportional to 52,538.88, 72,518.40 and 30,190.08

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Solution

The fourth proportional to 52,538.88, 72,518.40 and 30,190.08 is: 41,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,538.88 : 72,518.40 = 30,190.08 : x
  2. Step 2: Convert to fraction form
    52,538.88/72,518.40 = 30,190.08/x
  3. Step 3: Cross multiply
    52,538.88x = 72,518.40 × 30,190.08
  4. Step 4: Simplify right side
    52,538.88x = 2,189,336,297.47
  5. Step 5: Solve for x
    x = 2,189,336,297.47/52,538.88
  6. Step 6: Final answer
    x = 41,670.78

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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.