Home / 38,157.32-57,177.86-19,409.25

Finding the Fourth Proportional to 38,157.32, 57,177.86 and 19,409.25

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Solution

The fourth proportional to 38,157.32, 57,177.86 and 19,409.25 is: 29,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.32 : 57,177.86 = 19,409.25 : x
  2. Step 2: Convert to fraction form
    38,157.32/57,177.86 = 19,409.25/x
  3. Step 3: Cross multiply
    38,157.32x = 57,177.86 × 19,409.25
  4. Step 4: Simplify right side
    38,157.32x = 1,109,779,282.16
  5. Step 5: Solve for x
    x = 1,109,779,282.16/38,157.32
  6. Step 6: Final answer
    x = 29,084.31

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1.5x scale

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.