Home / 51,904.12-77,844.21-20,314.93

Finding the Fourth Proportional to 51,904.12, 77,844.21 and 20,314.93

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Solution

The fourth proportional to 51,904.12, 77,844.21 and 20,314.93 is: 30,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,904.12 : 77,844.21 = 20,314.93 : x
  2. Step 2: Convert to fraction form
    51,904.12/77,844.21 = 20,314.93/x
  3. Step 3: Cross multiply
    51,904.12x = 77,844.21 × 20,314.93
  4. Step 4: Simplify right side
    51,904.12x = 1,581,399,677.06
  5. Step 5: Solve for x
    x = 1,581,399,677.06/51,904.12
  6. Step 6: Final answer
    x = 30,467.71

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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.