Home / 64,731.56-97,097.98-20,357.32

Finding the Fourth Proportional to 64,731.56, 97,097.98 and 20,357.32

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Solution

The fourth proportional to 64,731.56, 97,097.98 and 20,357.32 is: 30,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,731.56 : 97,097.98 = 20,357.32 : x
  2. Step 2: Convert to fraction form
    64,731.56/97,097.98 = 20,357.32/x
  3. Step 3: Cross multiply
    64,731.56x = 97,097.98 × 20,357.32
  4. Step 4: Simplify right side
    64,731.56x = 1,976,654,650.21
  5. Step 5: Solve for x
    x = 1,976,654,650.21/64,731.56
  6. Step 6: Final answer
    x = 30,536.18

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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.