Home / 39,627.09-59,440.91-13,331.45

Finding the Fourth Proportional to 39,627.09, 59,440.91 and 13,331.45

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Solution

The fourth proportional to 39,627.09, 59,440.91 and 13,331.45 is: 19,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,627.09 : 59,440.91 = 13,331.45 : x
  2. Step 2: Convert to fraction form
    39,627.09/59,440.91 = 13,331.45/x
  3. Step 3: Cross multiply
    39,627.09x = 59,440.91 × 13,331.45
  4. Step 4: Simplify right side
    39,627.09x = 792,433,601.56
  5. Step 5: Solve for x
    x = 792,433,601.56/39,627.09
  6. Step 6: Final answer
    x = 19,997.27

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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.