Home / 39,745.54-59,621.08-13,441.40

Finding the Fourth Proportional to 39,745.54, 59,621.08 and 13,441.40

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Solution

The fourth proportional to 39,745.54, 59,621.08 and 13,441.40 is: 20,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.54 : 59,621.08 = 13,441.40 : x
  2. Step 2: Convert to fraction form
    39,745.54/59,621.08 = 13,441.40/x
  3. Step 3: Cross multiply
    39,745.54x = 59,621.08 × 13,441.40
  4. Step 4: Simplify right side
    39,745.54x = 801,390,784.71
  5. Step 5: Solve for x
    x = 801,390,784.71/39,745.54
  6. Step 6: Final answer
    x = 20,163.04

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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.