Home / 50,979.06-76,472.64-13,538.16

Finding the Fourth Proportional to 50,979.06, 76,472.64 and 13,538.16

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Solution

The fourth proportional to 50,979.06, 76,472.64 and 13,538.16 is: 20,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979.06 : 76,472.64 = 13,538.16 : x
  2. Step 2: Convert to fraction form
    50,979.06/76,472.64 = 13,538.16/x
  3. Step 3: Cross multiply
    50,979.06x = 76,472.64 × 13,538.16
  4. Step 4: Simplify right side
    50,979.06x = 1,035,298,835.94
  5. Step 5: Solve for x
    x = 1,035,298,835.94/50,979.06
  6. Step 6: Final answer
    x = 20,308.32

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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.