Home / 60,530.06-90,795.55-21,087.11

Finding the Fourth Proportional to 60,530.06, 90,795.55 and 21,087.11

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Solution

The fourth proportional to 60,530.06, 90,795.55 and 21,087.11 is: 31,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,530.06 : 90,795.55 = 21,087.11 : x
  2. Step 2: Convert to fraction form
    60,530.06/90,795.55 = 21,087.11/x
  3. Step 3: Cross multiply
    60,530.06x = 90,795.55 × 21,087.11
  4. Step 4: Simplify right side
    60,530.06x = 1,914,615,924.63
  5. Step 5: Solve for x
    x = 1,914,615,924.63/60,530.06
  6. Step 6: Final answer
    x = 31,630.83

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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.