Home / 50,680.81-69,937.45-28,018.36

Finding the Fourth Proportional to 50,680.81, 69,937.45 and 28,018.36

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Solution

The fourth proportional to 50,680.81, 69,937.45 and 28,018.36 is: 38,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,680.81 : 69,937.45 = 28,018.36 : x
  2. Step 2: Convert to fraction form
    50,680.81/69,937.45 = 28,018.36/x
  3. Step 3: Cross multiply
    50,680.81x = 69,937.45 × 28,018.36
  4. Step 4: Simplify right side
    50,680.81x = 1,959,532,651.58
  5. Step 5: Solve for x
    x = 1,959,532,651.58/50,680.81
  6. Step 6: Final answer
    x = 38,664.19

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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.