Home / 38,329.20-52,893-21,558.96

Finding the Fourth Proportional to 38,329.20, 52,893 and 21,558.96

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Solution

The fourth proportional to 38,329.20, 52,893 and 21,558.96 is: 29,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.20 : 52,893 = 21,558.96 : x
  2. Step 2: Convert to fraction form
    38,329.20/52,893 = 21,558.96/x
  3. Step 3: Cross multiply
    38,329.20x = 52,893 × 21,558.96
  4. Step 4: Simplify right side
    38,329.20x = 1,140,318,071.28
  5. Step 5: Solve for x
    x = 1,140,318,071.28/38,329.20
  6. Step 6: Final answer
    x = 29,750.64

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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.