Home / 51,398.01-77,077.58-20,216.25

Finding the Fourth Proportional to 51,398.01, 77,077.58 and 20,216.25

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Solution

The fourth proportional to 51,398.01, 77,077.58 and 20,216.25 is: 30,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,398.01 : 77,077.58 = 20,216.25 : x
  2. Step 2: Convert to fraction form
    51,398.01/77,077.58 = 20,216.25/x
  3. Step 3: Cross multiply
    51,398.01x = 77,077.58 × 20,216.25
  4. Step 4: Simplify right side
    51,398.01x = 1,558,219,525.59
  5. Step 5: Solve for x
    x = 1,558,219,525.59/51,398.01
  6. Step 6: Final answer
    x = 30,316.73

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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.