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Finding the Fourth Proportional to 50,005.80, 75,008.70 and 28,937.70

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Solution

The fourth proportional to 50,005.80, 75,008.70 and 28,937.70 is: 43,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,005.80 : 75,008.70 = 28,937.70 : x
  2. Step 2: Convert to fraction form
    50,005.80/75,008.70 = 28,937.70/x
  3. Step 3: Cross multiply
    50,005.80x = 75,008.70 × 28,937.70
  4. Step 4: Simplify right side
    50,005.80x = 2,170,579,257.99
  5. Step 5: Solve for x
    x = 2,170,579,257.99/50,005.80
  6. Step 6: Final answer
    x = 43,406.55

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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.