Home / 39,639.26-59,500.40-20,914.25

Finding the Fourth Proportional to 39,639.26, 59,500.40 and 20,914.25

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Solution

The fourth proportional to 39,639.26, 59,500.40 and 20,914.25 is: 31,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.26 : 59,500.40 = 20,914.25 : x
  2. Step 2: Convert to fraction form
    39,639.26/59,500.40 = 20,914.25/x
  3. Step 3: Cross multiply
    39,639.26x = 59,500.40 × 20,914.25
  4. Step 4: Simplify right side
    39,639.26x = 1,244,405,838.63
  5. Step 5: Solve for x
    x = 1,244,405,838.63/39,639.26
  6. Step 6: Final answer
    x = 31,393.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.