Home / 51,538.08-71,132.64-30,335.52

Finding the Fourth Proportional to 51,538.08, 71,132.64 and 30,335.52

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Solution

The fourth proportional to 51,538.08, 71,132.64 and 30,335.52 is: 41,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.08 : 71,132.64 = 30,335.52 : x
  2. Step 2: Convert to fraction form
    51,538.08/71,132.64 = 30,335.52/x
  3. Step 3: Cross multiply
    51,538.08x = 71,132.64 × 30,335.52
  4. Step 4: Simplify right side
    51,538.08x = 2,157,845,623.37
  5. Step 5: Solve for x
    x = 2,157,845,623.37/51,538.08
  6. Step 6: Final answer
    x = 41,868.96

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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.