Home / 42,668.08-63,909.77-27,831.98

Finding the Fourth Proportional to 42,668.08, 63,909.77 and 27,831.98

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Solution

The fourth proportional to 42,668.08, 63,909.77 and 27,831.98 is: 41,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,668.08 : 63,909.77 = 27,831.98 : x
  2. Step 2: Convert to fraction form
    42,668.08/63,909.77 = 27,831.98/x
  3. Step 3: Cross multiply
    42,668.08x = 63,909.77 × 27,831.98
  4. Step 4: Simplify right side
    42,668.08x = 1,778,735,440.44
  5. Step 5: Solve for x
    x = 1,778,735,440.44/42,668.08
  6. Step 6: Final answer
    x = 41,687.73

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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.