Home / 35,081.09-52,621.63-8,785.86

Finding the Fourth Proportional to 35,081.09, 52,621.63 and 8,785.86

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Solution

The fourth proportional to 35,081.09, 52,621.63 and 8,785.86 is: 13,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,081.09 : 52,621.63 = 8,785.86 : x
  2. Step 2: Convert to fraction form
    35,081.09/52,621.63 = 8,785.86/x
  3. Step 3: Cross multiply
    35,081.09x = 52,621.63 × 8,785.86
  4. Step 4: Simplify right side
    35,081.09x = 462,326,274.15
  5. Step 5: Solve for x
    x = 462,326,274.15/35,081.09
  6. Step 6: Final answer
    x = 13,178.79

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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.