Home / 50,690.81-76,036.25-13,754.81

Finding the Fourth Proportional to 50,690.81, 76,036.25 and 13,754.81

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Solution

The fourth proportional to 50,690.81, 76,036.25 and 13,754.81 is: 20,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,690.81 : 76,036.25 = 13,754.81 : x
  2. Step 2: Convert to fraction form
    50,690.81/76,036.25 = 13,754.81/x
  3. Step 3: Cross multiply
    50,690.81x = 76,036.25 × 13,754.81
  4. Step 4: Simplify right side
    50,690.81x = 1,045,864,396.34
  5. Step 5: Solve for x
    x = 1,045,864,396.34/50,690.81
  6. Step 6: Final answer
    x = 20,632.23

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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.