Home / 76,382.04-114,558.24-38,421.20

Finding the Fourth Proportional to 76,382.04, 114,558.24 and 38,421.20

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Solution

The fourth proportional to 76,382.04, 114,558.24 and 38,421.20 is: 57,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,382.04 : 114,558.24 = 38,421.20 : x
  2. Step 2: Convert to fraction form
    76,382.04/114,558.24 = 38,421.20/x
  3. Step 3: Cross multiply
    76,382.04x = 114,558.24 × 38,421.20
  4. Step 4: Simplify right side
    76,382.04x = 4,401,465,050.69
  5. Step 5: Solve for x
    x = 4,401,465,050.69/76,382.04
  6. Step 6: Final answer
    x = 57,624.35

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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.