Home / 55,319.66-82,979.75-13,766.66

Finding the Fourth Proportional to 55,319.66, 82,979.75 and 13,766.66

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Solution

The fourth proportional to 55,319.66, 82,979.75 and 13,766.66 is: 20,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,319.66 : 82,979.75 = 13,766.66 : x
  2. Step 2: Convert to fraction form
    55,319.66/82,979.75 = 13,766.66/x
  3. Step 3: Cross multiply
    55,319.66x = 82,979.75 × 13,766.66
  4. Step 4: Simplify right side
    55,319.66x = 1,142,354,005.14
  5. Step 5: Solve for x
    x = 1,142,354,005.14/55,319.66
  6. Step 6: Final answer
    x = 20,650.05

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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.