Home / 39,625.45-59,431.80-14,659.78

Finding the Fourth Proportional to 39,625.45, 59,431.80 and 14,659.78

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Solution

The fourth proportional to 39,625.45, 59,431.80 and 14,659.78 is: 21,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,625.45 : 59,431.80 = 14,659.78 : x
  2. Step 2: Convert to fraction form
    39,625.45/59,431.80 = 14,659.78/x
  3. Step 3: Cross multiply
    39,625.45x = 59,431.80 × 14,659.78
  4. Step 4: Simplify right side
    39,625.45x = 871,257,113.00
  5. Step 5: Solve for x
    x = 871,257,113.00/39,625.45
  6. Step 6: Final answer
    x = 21,987.31

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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.