Home / 39,745.08-59,617.62-18,963.72

Finding the Fourth Proportional to 39,745.08, 59,617.62 and 18,963.72

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Solution

The fourth proportional to 39,745.08, 59,617.62 and 18,963.72 is: 28,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.08 : 59,617.62 = 18,963.72 : x
  2. Step 2: Convert to fraction form
    39,745.08/59,617.62 = 18,963.72/x
  3. Step 3: Cross multiply
    39,745.08x = 59,617.62 × 18,963.72
  4. Step 4: Simplify right side
    39,745.08x = 1,130,571,852.75
  5. Step 5: Solve for x
    x = 1,130,571,852.75/39,745.08
  6. Step 6: Final answer
    x = 28,445.58

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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.