Home / 39,723.53-59,582.21-18,668.18

Finding the Fourth Proportional to 39,723.53, 59,582.21 and 18,668.18

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Solution

The fourth proportional to 39,723.53, 59,582.21 and 18,668.18 is: 28,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,723.53 : 59,582.21 = 18,668.18 : x
  2. Step 2: Convert to fraction form
    39,723.53/59,582.21 = 18,668.18/x
  3. Step 3: Cross multiply
    39,723.53x = 59,582.21 × 18,668.18
  4. Step 4: Simplify right side
    39,723.53x = 1,112,291,421.08
  5. Step 5: Solve for x
    x = 1,112,291,421.08/39,723.53
  6. Step 6: Final answer
    x = 28,000.82

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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.