Home / 38,331.98-52,898.04-21,564.98

Finding the Fourth Proportional to 38,331.98, 52,898.04 and 21,564.98

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Solution

The fourth proportional to 38,331.98, 52,898.04 and 21,564.98 is: 29,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.98 : 52,898.04 = 21,564.98 : x
  2. Step 2: Convert to fraction form
    38,331.98/52,898.04 = 21,564.98/x
  3. Step 3: Cross multiply
    38,331.98x = 52,898.04 × 21,564.98
  4. Step 4: Simplify right side
    38,331.98x = 1,140,745,174.64
  5. Step 5: Solve for x
    x = 1,140,745,174.64/38,331.98
  6. Step 6: Final answer
    x = 29,759.62

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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.