Home / 75,944.24-113,916.40-19,784.20

Finding the Fourth Proportional to 75,944.24, 113,916.40 and 19,784.20

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Solution

The fourth proportional to 75,944.24, 113,916.40 and 19,784.20 is: 29,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,944.24 : 113,916.40 = 19,784.20 : x
  2. Step 2: Convert to fraction form
    75,944.24/113,916.40 = 19,784.20/x
  3. Step 3: Cross multiply
    75,944.24x = 113,916.40 × 19,784.20
  4. Step 4: Simplify right side
    75,944.24x = 2,253,744,840.88
  5. Step 5: Solve for x
    x = 2,253,744,840.88/75,944.24
  6. Step 6: Final answer
    x = 29,676.31

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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.