Home / 75,865.70-113,798.55-19,705.37

Finding the Fourth Proportional to 75,865.70, 113,798.55 and 19,705.37

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Solution

The fourth proportional to 75,865.70, 113,798.55 and 19,705.37 is: 29,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.70 : 113,798.55 = 19,705.37 : x
  2. Step 2: Convert to fraction form
    75,865.70/113,798.55 = 19,705.37/x
  3. Step 3: Cross multiply
    75,865.70x = 113,798.55 × 19,705.37
  4. Step 4: Simplify right side
    75,865.70x = 2,242,441,964.22
  5. Step 5: Solve for x
    x = 2,242,441,964.22/75,865.70
  6. Step 6: Final answer
    x = 29,558.05

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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.