Home / 38,686.54-53,410.72-25,280.23

Finding the Fourth Proportional to 38,686.54, 53,410.72 and 25,280.23

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Solution

The fourth proportional to 38,686.54, 53,410.72 and 25,280.23 is: 34,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.54 : 53,410.72 = 25,280.23 : x
  2. Step 2: Convert to fraction form
    38,686.54/53,410.72 = 25,280.23/x
  3. Step 3: Cross multiply
    38,686.54x = 53,410.72 × 25,280.23
  4. Step 4: Simplify right side
    38,686.54x = 1,350,235,286.07
  5. Step 5: Solve for x
    x = 1,350,235,286.07/38,686.54
  6. Step 6: Final answer
    x = 34,901.94

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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.