Home / 52,644.77-72,649.61-28,771.44

Finding the Fourth Proportional to 52,644.77, 72,649.61 and 28,771.44

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Solution

The fourth proportional to 52,644.77, 72,649.61 and 28,771.44 is: 39,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,644.77 : 72,649.61 = 28,771.44 : x
  2. Step 2: Convert to fraction form
    52,644.77/72,649.61 = 28,771.44/x
  3. Step 3: Cross multiply
    52,644.77x = 72,649.61 × 28,771.44
  4. Step 4: Simplify right side
    52,644.77x = 2,090,234,157.23
  5. Step 5: Solve for x
    x = 2,090,234,157.23/52,644.77
  6. Step 6: Final answer
    x = 39,704.49

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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.