Home / 53,230.27-79,831.78-15,781.59

Finding the Fourth Proportional to 53,230.27, 79,831.78 and 15,781.59

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Solution

The fourth proportional to 53,230.27, 79,831.78 and 15,781.59 is: 23,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.27 : 79,831.78 = 15,781.59 : x
  2. Step 2: Convert to fraction form
    53,230.27/79,831.78 = 15,781.59/x
  3. Step 3: Cross multiply
    53,230.27x = 79,831.78 × 15,781.59
  4. Step 4: Simplify right side
    53,230.27x = 1,259,872,420.93
  5. Step 5: Solve for x
    x = 1,259,872,420.93/53,230.27
  6. Step 6: Final answer
    x = 23,668.35

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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.