Home / 37,632.62-56,428.76-12,664.38

Finding the Fourth Proportional to 37,632.62, 56,428.76 and 12,664.38

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Solution

The fourth proportional to 37,632.62, 56,428.76 and 12,664.38 is: 18,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,632.62 : 56,428.76 = 12,664.38 : x
  2. Step 2: Convert to fraction form
    37,632.62/56,428.76 = 12,664.38/x
  3. Step 3: Cross multiply
    37,632.62x = 56,428.76 × 12,664.38
  4. Step 4: Simplify right side
    37,632.62x = 714,635,259.57
  5. Step 5: Solve for x
    x = 714,635,259.57/37,632.62
  6. Step 6: Final answer
    x = 18,989.78

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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.