Home / 51,065.59-76,598.39-13,625.81

Finding the Fourth Proportional to 51,065.59, 76,598.39 and 13,625.81

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Solution

The fourth proportional to 51,065.59, 76,598.39 and 13,625.81 is: 20,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.59 : 76,598.39 = 13,625.81 : x
  2. Step 2: Convert to fraction form
    51,065.59/76,598.39 = 13,625.81/x
  3. Step 3: Cross multiply
    51,065.59x = 76,598.39 × 13,625.81
  4. Step 4: Simplify right side
    51,065.59x = 1,043,714,759.52
  5. Step 5: Solve for x
    x = 1,043,714,759.52/51,065.59
  6. Step 6: Final answer
    x = 20,438.71

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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.