Home / 36,930.42-55,390.76-10,278.18

Finding the Fourth Proportional to 36,930.42, 55,390.76 and 10,278.18

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Solution

The fourth proportional to 36,930.42, 55,390.76 and 10,278.18 is: 15,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.42 : 55,390.76 = 10,278.18 : x
  2. Step 2: Convert to fraction form
    36,930.42/55,390.76 = 10,278.18/x
  3. Step 3: Cross multiply
    36,930.42x = 55,390.76 × 10,278.18
  4. Step 4: Simplify right side
    36,930.42x = 569,316,201.62
  5. Step 5: Solve for x
    x = 569,316,201.62/36,930.42
  6. Step 6: Final answer
    x = 15,415.91

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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.