Home / 39,237.06-54,155.74-25,809.64

Finding the Fourth Proportional to 39,237.06, 54,155.74 and 25,809.64

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Solution

The fourth proportional to 39,237.06, 54,155.74 and 25,809.64 is: 35,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237.06 : 54,155.74 = 25,809.64 : x
  2. Step 2: Convert to fraction form
    39,237.06/54,155.74 = 25,809.64/x
  3. Step 3: Cross multiply
    39,237.06x = 54,155.74 × 25,809.64
  4. Step 4: Simplify right side
    39,237.06x = 1,397,740,001.81
  5. Step 5: Solve for x
    x = 1,397,740,001.81/39,237.06
  6. Step 6: Final answer
    x = 35,622.96

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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.