Home / 39,424.68-59,137.08-13,131.48

Finding the Fourth Proportional to 39,424.68, 59,137.08 and 13,131.48

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Solution

The fourth proportional to 39,424.68, 59,137.08 and 13,131.48 is: 19,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,424.68 : 59,137.08 = 13,131.48 : x
  2. Step 2: Convert to fraction form
    39,424.68/59,137.08 = 13,131.48/x
  3. Step 3: Cross multiply
    39,424.68x = 59,137.08 × 13,131.48
  4. Step 4: Simplify right side
    39,424.68x = 776,557,383.28
  5. Step 5: Solve for x
    x = 776,557,383.28/39,424.68
  6. Step 6: Final answer
    x = 19,697.24

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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.