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Finding the Fourth Proportional to 50,689.96, 76,030.06 and 15,620.20

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Solution

The fourth proportional to 50,689.96, 76,030.06 and 15,620.20 is: 23,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,689.96 : 76,030.06 = 15,620.20 : x
  2. Step 2: Convert to fraction form
    50,689.96/76,030.06 = 15,620.20/x
  3. Step 3: Cross multiply
    50,689.96x = 76,030.06 × 15,620.20
  4. Step 4: Simplify right side
    50,689.96x = 1,187,604,743.21
  5. Step 5: Solve for x
    x = 1,187,604,743.21/50,689.96
  6. Step 6: Final answer
    x = 23,428.80

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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.