Home / 39,426.72-59,120.40-13,122.24

Finding the Fourth Proportional to 39,426.72, 59,120.40 and 13,122.24

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Solution

The fourth proportional to 39,426.72, 59,120.40 and 13,122.24 is: 19,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426.72 : 59,120.40 = 13,122.24 : x
  2. Step 2: Convert to fraction form
    39,426.72/59,120.40 = 13,122.24/x
  3. Step 3: Cross multiply
    39,426.72x = 59,120.40 × 13,122.24
  4. Step 4: Simplify right side
    39,426.72x = 775,792,077.70
  5. Step 5: Solve for x
    x = 775,792,077.70/39,426.72
  6. Step 6: Final answer
    x = 19,676.81

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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.