Home / 50,636.64-69,849.36-30,479.52

Finding the Fourth Proportional to 50,636.64, 69,849.36 and 30,479.52

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Solution

The fourth proportional to 50,636.64, 69,849.36 and 30,479.52 is: 42,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,636.64 : 69,849.36 = 30,479.52 : x
  2. Step 2: Convert to fraction form
    50,636.64/69,849.36 = 30,479.52/x
  3. Step 3: Cross multiply
    50,636.64x = 69,849.36 × 30,479.52
  4. Step 4: Simplify right side
    50,636.64x = 2,128,974,965.11
  5. Step 5: Solve for x
    x = 2,128,974,965.11/50,636.64
  6. Step 6: Final answer
    x = 42,044.16

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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.