Home / 39,488.05-59,214.79-11,780.53

Finding the Fourth Proportional to 39,488.05, 59,214.79 and 11,780.53

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Solution

The fourth proportional to 39,488.05, 59,214.79 and 11,780.53 is: 17,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.05 : 59,214.79 = 11,780.53 : x
  2. Step 2: Convert to fraction form
    39,488.05/59,214.79 = 11,780.53/x
  3. Step 3: Cross multiply
    39,488.05x = 59,214.79 × 11,780.53
  4. Step 4: Simplify right side
    39,488.05x = 697,581,610.04
  5. Step 5: Solve for x
    x = 697,581,610.04/39,488.05
  6. Step 6: Final answer
    x = 17,665.64

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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.