Home / 53,230.33-79,831.86-15,781.65

Finding the Fourth Proportional to 53,230.33, 79,831.86 and 15,781.65

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Solution

The fourth proportional to 53,230.33, 79,831.86 and 15,781.65 is: 23,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.33 : 79,831.86 = 15,781.65 : x
  2. Step 2: Convert to fraction form
    53,230.33/79,831.86 = 15,781.65/x
  3. Step 3: Cross multiply
    53,230.33x = 79,831.86 × 15,781.65
  4. Step 4: Simplify right side
    53,230.33x = 1,259,878,473.37
  5. Step 5: Solve for x
    x = 1,259,878,473.37/53,230.33
  6. Step 6: Final answer
    x = 23,668.43

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1.5x scale

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.