Home / 38,686.68-53,410.91-25,280.37

Finding the Fourth Proportional to 38,686.68, 53,410.91 and 25,280.37

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Solution

The fourth proportional to 38,686.68, 53,410.91 and 25,280.37 is: 34,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.68 : 53,410.91 = 25,280.37 : x
  2. Step 2: Convert to fraction form
    38,686.68/53,410.91 = 25,280.37/x
  3. Step 3: Cross multiply
    38,686.68x = 53,410.91 × 25,280.37
  4. Step 4: Simplify right side
    38,686.68x = 1,350,247,440.43
  5. Step 5: Solve for x
    x = 1,350,247,440.43/38,686.68
  6. Step 6: Final answer
    x = 34,902.13

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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.