Home / 39,739.80-59,607.68-10,155.87

Finding the Fourth Proportional to 39,739.80, 59,607.68 and 10,155.87

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Solution

The fourth proportional to 39,739.80, 59,607.68 and 10,155.87 is: 15,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.80 : 59,607.68 = 10,155.87 : x
  2. Step 2: Convert to fraction form
    39,739.80/59,607.68 = 10,155.87/x
  3. Step 3: Cross multiply
    39,739.80x = 59,607.68 × 10,155.87
  4. Step 4: Simplify right side
    39,739.80x = 605,367,849.08
  5. Step 5: Solve for x
    x = 605,367,849.08/39,739.80
  6. Step 6: Final answer
    x = 15,233.29

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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.