Home / 38,728.81-53,446.04-25,292.13

Finding the Fourth Proportional to 38,728.81, 53,446.04 and 25,292.13

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Solution

The fourth proportional to 38,728.81, 53,446.04 and 25,292.13 is: 34,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.81 : 53,446.04 = 25,292.13 : x
  2. Step 2: Convert to fraction form
    38,728.81/53,446.04 = 25,292.13/x
  3. Step 3: Cross multiply
    38,728.81x = 53,446.04 × 25,292.13
  4. Step 4: Simplify right side
    38,728.81x = 1,351,764,191.67
  5. Step 5: Solve for x
    x = 1,351,764,191.67/38,728.81
  6. Step 6: Final answer
    x = 34,903.32

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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.