Home / 39,428.58-59,142.56-9,846.22

Finding the Fourth Proportional to 39,428.58, 59,142.56 and 9,846.22

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Solution

The fourth proportional to 39,428.58, 59,142.56 and 9,846.22 is: 14,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.58 : 59,142.56 = 9,846.22 : x
  2. Step 2: Convert to fraction form
    39,428.58/59,142.56 = 9,846.22/x
  3. Step 3: Cross multiply
    39,428.58x = 59,142.56 × 9,846.22
  4. Step 4: Simplify right side
    39,428.58x = 582,330,361.41
  5. Step 5: Solve for x
    x = 582,330,361.41/39,428.58
  6. Step 6: Final answer
    x = 14,769.25

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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.