Home / 37,990.54-56,981.48-10,286.38

Finding the Fourth Proportional to 37,990.54, 56,981.48 and 10,286.38

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Solution

The fourth proportional to 37,990.54, 56,981.48 and 10,286.38 is: 15,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,990.54 : 56,981.48 = 10,286.38 : x
  2. Step 2: Convert to fraction form
    37,990.54/56,981.48 = 10,286.38/x
  3. Step 3: Cross multiply
    37,990.54x = 56,981.48 × 10,286.38
  4. Step 4: Simplify right side
    37,990.54x = 586,132,871.34
  5. Step 5: Solve for x
    x = 586,132,871.34/37,990.54
  6. Step 6: Final answer
    x = 15,428.39

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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.