Home / 39,784.56-59,676.88-18,944.88

Finding the Fourth Proportional to 39,784.56, 59,676.88 and 18,944.88

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Solution

The fourth proportional to 39,784.56, 59,676.88 and 18,944.88 is: 28,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.56 : 59,676.88 = 18,944.88 : x
  2. Step 2: Convert to fraction form
    39,784.56/59,676.88 = 18,944.88/x
  3. Step 3: Cross multiply
    39,784.56x = 59,676.88 × 18,944.88
  4. Step 4: Simplify right side
    39,784.56x = 1,130,571,330.37
  5. Step 5: Solve for x
    x = 1,130,571,330.37/39,784.56
  6. Step 6: Final answer
    x = 28,417.34

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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.