Home / 64,719.96-97,079.84-20,350.58

Finding the Fourth Proportional to 64,719.96, 97,079.84 and 20,350.58

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Solution

The fourth proportional to 64,719.96, 97,079.84 and 20,350.58 is: 30,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,719.96 : 97,079.84 = 20,350.58 : x
  2. Step 2: Convert to fraction form
    64,719.96/97,079.84 = 20,350.58/x
  3. Step 3: Cross multiply
    64,719.96x = 97,079.84 × 20,350.58
  4. Step 4: Simplify right side
    64,719.96x = 1,975,631,050.31
  5. Step 5: Solve for x
    x = 1,975,631,050.31/64,719.96
  6. Step 6: Final answer
    x = 30,525.84

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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.