Home / 36,830.90-55,246.35-12,206.90

Finding the Fourth Proportional to 36,830.90, 55,246.35 and 12,206.90

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Solution

The fourth proportional to 36,830.90, 55,246.35 and 12,206.90 is: 18,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.90 : 55,246.35 = 12,206.90 : x
  2. Step 2: Convert to fraction form
    36,830.90/55,246.35 = 12,206.90/x
  3. Step 3: Cross multiply
    36,830.90x = 55,246.35 × 12,206.90
  4. Step 4: Simplify right side
    36,830.90x = 674,386,669.82
  5. Step 5: Solve for x
    x = 674,386,669.82/36,830.90
  6. Step 6: Final answer
    x = 18,310.35

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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.