Home / 38,342.10-52,911.99-21,575.10

Finding the Fourth Proportional to 38,342.10, 52,911.99 and 21,575.10

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Solution

The fourth proportional to 38,342.10, 52,911.99 and 21,575.10 is: 29,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.10 : 52,911.99 = 21,575.10 : x
  2. Step 2: Convert to fraction form
    38,342.10/52,911.99 = 21,575.10/x
  3. Step 3: Cross multiply
    38,342.10x = 52,911.99 × 21,575.10
  4. Step 4: Simplify right side
    38,342.10x = 1,141,581,475.45
  5. Step 5: Solve for x
    x = 1,141,581,475.45/38,342.10
  6. Step 6: Final answer
    x = 29,773.58

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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.