Home / 52,644.23-72,648.87-28,770.90

Finding the Fourth Proportional to 52,644.23, 72,648.87 and 28,770.90

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Solution

The fourth proportional to 52,644.23, 72,648.87 and 28,770.90 is: 39,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,644.23 : 72,648.87 = 28,770.90 : x
  2. Step 2: Convert to fraction form
    52,644.23/72,648.87 = 28,770.90/x
  3. Step 3: Cross multiply
    52,644.23x = 72,648.87 × 28,770.90
  4. Step 4: Simplify right side
    52,644.23x = 2,090,173,373.88
  5. Step 5: Solve for x
    x = 2,090,173,373.88/52,644.23
  6. Step 6: Final answer
    x = 39,703.75

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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.