Home / 38,925-53,725.25-25,488.45

Finding the Fourth Proportional to 38,925, 53,725.25 and 25,488.45

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Solution

The fourth proportional to 38,925, 53,725.25 and 25,488.45 is: 35,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,925 : 53,725.25 = 25,488.45 : x
  2. Step 2: Convert to fraction form
    38,925/53,725.25 = 25,488.45/x
  3. Step 3: Cross multiply
    38,925x = 53,725.25 × 25,488.45
  4. Step 4: Simplify right side
    38,925x = 1,369,373,220.92
  5. Step 5: Solve for x
    x = 1,369,373,220.92/38,925
  6. Step 6: Final answer
    x = 35,179.79

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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.