Home / 37,140.30-55,717.65-18,672.30

Finding the Fourth Proportional to 37,140.30, 55,717.65 and 18,672.30

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Solution

The fourth proportional to 37,140.30, 55,717.65 and 18,672.30 is: 28,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.30 : 55,717.65 = 18,672.30 : x
  2. Step 2: Convert to fraction form
    37,140.30/55,717.65 = 18,672.30/x
  3. Step 3: Cross multiply
    37,140.30x = 55,717.65 × 18,672.30
  4. Step 4: Simplify right side
    37,140.30x = 1,040,376,676.10
  5. Step 5: Solve for x
    x = 1,040,376,676.10/37,140.30
  6. Step 6: Final answer
    x = 28,012.07

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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.