Home / 37,648.11-56,469.09-12,687.60

Finding the Fourth Proportional to 37,648.11, 56,469.09 and 12,687.60

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Solution

The fourth proportional to 37,648.11, 56,469.09 and 12,687.60 is: 19,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,648.11 : 56,469.09 = 12,687.60 : x
  2. Step 2: Convert to fraction form
    37,648.11/56,469.09 = 12,687.60/x
  3. Step 3: Cross multiply
    37,648.11x = 56,469.09 × 12,687.60
  4. Step 4: Simplify right side
    37,648.11x = 716,457,226.28
  5. Step 5: Solve for x
    x = 716,457,226.28/37,648.11
  6. Step 6: Final answer
    x = 19,030.36

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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.