Home / 38,685.55-53,409.35-25,279.24

Finding the Fourth Proportional to 38,685.55, 53,409.35 and 25,279.24

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Solution

The fourth proportional to 38,685.55, 53,409.35 and 25,279.24 is: 34,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,685.55 : 53,409.35 = 25,279.24 : x
  2. Step 2: Convert to fraction form
    38,685.55/53,409.35 = 25,279.24/x
  3. Step 3: Cross multiply
    38,685.55x = 53,409.35 × 25,279.24
  4. Step 4: Simplify right side
    38,685.55x = 1,350,147,735.61
  5. Step 5: Solve for x
    x = 1,350,147,735.61/38,685.55
  6. Step 6: Final answer
    x = 34,900.57

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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.