Home / 39,724.53-59,571.65-11,638.59

Finding the Fourth Proportional to 39,724.53, 59,571.65 and 11,638.59

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Solution

The fourth proportional to 39,724.53, 59,571.65 and 11,638.59 is: 17,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,724.53 : 59,571.65 = 11,638.59 : x
  2. Step 2: Convert to fraction form
    39,724.53/59,571.65 = 11,638.59/x
  3. Step 3: Cross multiply
    39,724.53x = 59,571.65 × 11,638.59
  4. Step 4: Simplify right side
    39,724.53x = 693,330,039.07
  5. Step 5: Solve for x
    x = 693,330,039.07/39,724.53
  6. Step 6: Final answer
    x = 17,453.45

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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.