Home / 39,911.63-59,867.46-12,209.63

Finding the Fourth Proportional to 39,911.63, 59,867.46 and 12,209.63

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Solution

The fourth proportional to 39,911.63, 59,867.46 and 12,209.63 is: 18,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.63 : 59,867.46 = 12,209.63 : x
  2. Step 2: Convert to fraction form
    39,911.63/59,867.46 = 12,209.63/x
  3. Step 3: Cross multiply
    39,911.63x = 59,867.46 × 12,209.63
  4. Step 4: Simplify right side
    39,911.63x = 730,959,236.30
  5. Step 5: Solve for x
    x = 730,959,236.30/39,911.63
  6. Step 6: Final answer
    x = 18,314.44

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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.