Home / 52,682.31-72,703.32-28,808.99

Finding the Fourth Proportional to 52,682.31, 72,703.32 and 28,808.99

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Solution

The fourth proportional to 52,682.31, 72,703.32 and 28,808.99 is: 39,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,682.31 : 72,703.32 = 28,808.99 : x
  2. Step 2: Convert to fraction form
    52,682.31/72,703.32 = 28,808.99/x
  3. Step 3: Cross multiply
    52,682.31x = 72,703.32 × 28,808.99
  4. Step 4: Simplify right side
    52,682.31x = 2,094,508,855.33
  5. Step 5: Solve for x
    x = 2,094,508,855.33/52,682.31
  6. Step 6: Final answer
    x = 39,757.35

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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.