Home / 64,986.42-97,488.92-20,011.58

Finding the Fourth Proportional to 64,986.42, 97,488.92 and 20,011.58

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Solution

The fourth proportional to 64,986.42, 97,488.92 and 20,011.58 is: 30,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,986.42 : 97,488.92 = 20,011.58 : x
  2. Step 2: Convert to fraction form
    64,986.42/97,488.92 = 20,011.58/x
  3. Step 3: Cross multiply
    64,986.42x = 97,488.92 × 20,011.58
  4. Step 4: Simplify right side
    64,986.42x = 1,950,906,734.19
  5. Step 5: Solve for x
    x = 1,950,906,734.19/64,986.42
  6. Step 6: Final answer
    x = 30,020.22

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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.