Home / 39,280.88-58,921.32-32,340.80

Finding the Fourth Proportional to 39,280.88, 58,921.32 and 32,340.80

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Solution

The fourth proportional to 39,280.88, 58,921.32 and 32,340.80 is: 48,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280.88 : 58,921.32 = 32,340.80 : x
  2. Step 2: Convert to fraction form
    39,280.88/58,921.32 = 32,340.80/x
  3. Step 3: Cross multiply
    39,280.88x = 58,921.32 × 32,340.80
  4. Step 4: Simplify right side
    39,280.88x = 1,905,562,625.86
  5. Step 5: Solve for x
    x = 1,905,562,625.86/39,280.88
  6. Step 6: Final answer
    x = 48,511.20

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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.