Home / 37,008.30-55,512.45-12,384.30

Finding the Fourth Proportional to 37,008.30, 55,512.45 and 12,384.30

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Solution

The fourth proportional to 37,008.30, 55,512.45 and 12,384.30 is: 18,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,008.30 : 55,512.45 = 12,384.30 : x
  2. Step 2: Convert to fraction form
    37,008.30/55,512.45 = 12,384.30/x
  3. Step 3: Cross multiply
    37,008.30x = 55,512.45 × 12,384.30
  4. Step 4: Simplify right side
    37,008.30x = 687,482,834.54
  5. Step 5: Solve for x
    x = 687,482,834.54/37,008.30
  6. Step 6: Final answer
    x = 18,576.45

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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.