Home / 39,739.80-59,609.68-10,157.58

Finding the Fourth Proportional to 39,739.80, 59,609.68 and 10,157.58

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Solution

The fourth proportional to 39,739.80, 59,609.68 and 10,157.58 is: 15,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.80 : 59,609.68 = 10,157.58 : x
  2. Step 2: Convert to fraction form
    39,739.80/59,609.68 = 10,157.58/x
  3. Step 3: Cross multiply
    39,739.80x = 59,609.68 × 10,157.58
  4. Step 4: Simplify right side
    39,739.80x = 605,490,093.37
  5. Step 5: Solve for x
    x = 605,490,093.37/39,739.80
  6. Step 6: Final answer
    x = 15,236.36

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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.