Home / 39,739.06-59,571.51-13,425.40

Finding the Fourth Proportional to 39,739.06, 59,571.51 and 13,425.40

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Solution

The fourth proportional to 39,739.06, 59,571.51 and 13,425.40 is: 20,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.06 : 59,571.51 = 13,425.40 : x
  2. Step 2: Convert to fraction form
    39,739.06/59,571.51 = 13,425.40/x
  3. Step 3: Cross multiply
    39,739.06x = 59,571.51 × 13,425.40
  4. Step 4: Simplify right side
    39,739.06x = 799,771,350.35
  5. Step 5: Solve for x
    x = 799,771,350.35/39,739.06
  6. Step 6: Final answer
    x = 20,125.57

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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.