Home / 38,474.96-53,095.56-21,707.60

Finding the Fourth Proportional to 38,474.96, 53,095.56 and 21,707.60

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Solution

The fourth proportional to 38,474.96, 53,095.56 and 21,707.60 is: 29,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.96 : 53,095.56 = 21,707.60 : x
  2. Step 2: Convert to fraction form
    38,474.96/53,095.56 = 21,707.60/x
  3. Step 3: Cross multiply
    38,474.96x = 53,095.56 × 21,707.60
  4. Step 4: Simplify right side
    38,474.96x = 1,152,577,178.26
  5. Step 5: Solve for x
    x = 1,152,577,178.26/38,474.96
  6. Step 6: Final answer
    x = 29,956.55

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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.