Home / 38,560.96-53,213.75-21,565.01

Finding the Fourth Proportional to 38,560.96, 53,213.75 and 21,565.01

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Solution

The fourth proportional to 38,560.96, 53,213.75 and 21,565.01 is: 29,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.96 : 53,213.75 = 21,565.01 : x
  2. Step 2: Convert to fraction form
    38,560.96/53,213.75 = 21,565.01/x
  3. Step 3: Cross multiply
    38,560.96x = 53,213.75 × 21,565.01
  4. Step 4: Simplify right side
    38,560.96x = 1,147,555,050.89
  5. Step 5: Solve for x
    x = 1,147,555,050.89/38,560.96
  6. Step 6: Final answer
    x = 29,759.50

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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.