Home / 50,831.18-70,140.38-28,169.08

Finding the Fourth Proportional to 50,831.18, 70,140.38 and 28,169.08

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Solution

The fourth proportional to 50,831.18, 70,140.38 and 28,169.08 is: 38,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,831.18 : 70,140.38 = 28,169.08 : x
  2. Step 2: Convert to fraction form
    50,831.18/70,140.38 = 28,169.08/x
  3. Step 3: Cross multiply
    50,831.18x = 70,140.38 × 28,169.08
  4. Step 4: Simplify right side
    50,831.18x = 1,975,789,975.45
  5. Step 5: Solve for x
    x = 1,975,789,975.45/50,831.18
  6. Step 6: Final answer
    x = 38,869.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.