Home / 64,488.96-88,983.36-39,346.56

Finding the Fourth Proportional to 64,488.96, 88,983.36 and 39,346.56

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Solution

The fourth proportional to 64,488.96, 88,983.36 and 39,346.56 is: 54,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,488.96 : 88,983.36 = 39,346.56 : x
  2. Step 2: Convert to fraction form
    64,488.96/88,983.36 = 39,346.56/x
  3. Step 3: Cross multiply
    64,488.96x = 88,983.36 × 39,346.56
  4. Step 4: Simplify right side
    64,488.96x = 3,501,189,113.24
  5. Step 5: Solve for x
    x = 3,501,189,113.24/64,488.96
  6. Step 6: Final answer
    x = 54,291.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.