Home / 53,300.87-79,904.25-21,737.33

Finding the Fourth Proportional to 53,300.87, 79,904.25 and 21,737.33

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Solution

The fourth proportional to 53,300.87, 79,904.25 and 21,737.33 is: 32,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,300.87 : 79,904.25 = 21,737.33 : x
  2. Step 2: Convert to fraction form
    53,300.87/79,904.25 = 21,737.33/x
  3. Step 3: Cross multiply
    53,300.87x = 79,904.25 × 21,737.33
  4. Step 4: Simplify right side
    53,300.87x = 1,736,904,651.13
  5. Step 5: Solve for x
    x = 1,736,904,651.13/53,300.87
  6. Step 6: Final answer
    x = 32,586.80

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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.