Home / 39,084.80-53,961.48-30,115.28

Finding the Fourth Proportional to 39,084.80, 53,961.48 and 30,115.28

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Solution

The fourth proportional to 39,084.80, 53,961.48 and 30,115.28 is: 41,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,084.80 : 53,961.48 = 30,115.28 : x
  2. Step 2: Convert to fraction form
    39,084.80/53,961.48 = 30,115.28/x
  3. Step 3: Cross multiply
    39,084.80x = 53,961.48 × 30,115.28
  4. Step 4: Simplify right side
    39,084.80x = 1,625,065,079.41
  5. Step 5: Solve for x
    x = 1,625,065,079.41/39,084.80
  6. Step 6: Final answer
    x = 41,577.93

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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.