Home / 52,660.23-78,987.91-13,216.47

Finding the Fourth Proportional to 52,660.23, 78,987.91 and 13,216.47

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Solution

The fourth proportional to 52,660.23, 78,987.91 and 13,216.47 is: 19,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,660.23 : 78,987.91 = 13,216.47 : x
  2. Step 2: Convert to fraction form
    52,660.23/78,987.91 = 13,216.47/x
  3. Step 3: Cross multiply
    52,660.23x = 78,987.91 × 13,216.47
  4. Step 4: Simplify right side
    52,660.23x = 1,043,941,342.88
  5. Step 5: Solve for x
    x = 1,043,941,342.88/52,660.23
  6. Step 6: Final answer
    x = 19,824.09

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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.