Home / 39,638.16-59,457.24-11,936.16

Finding the Fourth Proportional to 39,638.16, 59,457.24 and 11,936.16

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Solution

The fourth proportional to 39,638.16, 59,457.24 and 11,936.16 is: 17,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.16 : 59,457.24 = 11,936.16 : x
  2. Step 2: Convert to fraction form
    39,638.16/59,457.24 = 11,936.16/x
  3. Step 3: Cross multiply
    39,638.16x = 59,457.24 × 11,936.16
  4. Step 4: Simplify right side
    39,638.16x = 709,691,129.80
  5. Step 5: Solve for x
    x = 709,691,129.80/39,638.16
  6. Step 6: Final answer
    x = 17,904.24

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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.