Home / 50,271.68-75,407.45-12,831.75

Finding the Fourth Proportional to 50,271.68, 75,407.45 and 12,831.75

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Solution

The fourth proportional to 50,271.68, 75,407.45 and 12,831.75 is: 19,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,271.68 : 75,407.45 = 12,831.75 : x
  2. Step 2: Convert to fraction form
    50,271.68/75,407.45 = 12,831.75/x
  3. Step 3: Cross multiply
    50,271.68x = 75,407.45 × 12,831.75
  4. Step 4: Simplify right side
    50,271.68x = 967,609,482.38
  5. Step 5: Solve for x
    x = 967,609,482.38/50,271.68
  6. Step 6: Final answer
    x = 19,247.60

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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.