Home / 50,271.28-75,406.88-12,831.36

Finding the Fourth Proportional to 50,271.28, 75,406.88 and 12,831.36

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Solution

The fourth proportional to 50,271.28, 75,406.88 and 12,831.36 is: 19,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,271.28 : 75,406.88 = 12,831.36 : x
  2. Step 2: Convert to fraction form
    50,271.28/75,406.88 = 12,831.36/x
  3. Step 3: Cross multiply
    50,271.28x = 75,406.88 × 12,831.36
  4. Step 4: Simplify right side
    50,271.28x = 967,572,823.76
  5. Step 5: Solve for x
    x = 967,572,823.76/50,271.28
  6. Step 6: Final answer
    x = 19,247.03

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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.