Home / 39,660.78-59,455.89-15,054.06

Finding the Fourth Proportional to 39,660.78, 59,455.89 and 15,054.06

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Solution

The fourth proportional to 39,660.78, 59,455.89 and 15,054.06 is: 22,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.78 : 59,455.89 = 15,054.06 : x
  2. Step 2: Convert to fraction form
    39,660.78/59,455.89 = 15,054.06/x
  3. Step 3: Cross multiply
    39,660.78x = 59,455.89 × 15,054.06
  4. Step 4: Simplify right side
    39,660.78x = 895,052,535.41
  5. Step 5: Solve for x
    x = 895,052,535.41/39,660.78
  6. Step 6: Final answer
    x = 22,567.70

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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.