Home / 53,271.92-79,887.11-19,973.84

Finding the Fourth Proportional to 53,271.92, 79,887.11 and 19,973.84

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Solution

The fourth proportional to 53,271.92, 79,887.11 and 19,973.84 is: 29,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.92 : 79,887.11 = 19,973.84 : x
  2. Step 2: Convert to fraction form
    53,271.92/79,887.11 = 19,973.84/x
  3. Step 3: Cross multiply
    53,271.92x = 79,887.11 × 19,973.84
  4. Step 4: Simplify right side
    53,271.92x = 1,595,651,853.90
  5. Step 5: Solve for x
    x = 1,595,651,853.90/53,271.92
  6. Step 6: Final answer
    x = 29,952.96

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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.