Home / 20,702.00-31,045.82-19,373.40

Finding the Fourth Proportional to 20,702.00, 31,045.82 and 19,373.40

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Solution

The fourth proportional to 20,702.00, 31,045.82 and 19,373.40 is: 29,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702.00 : 31,045.82 = 19,373.40 : x
  2. Step 2: Convert to fraction form
    20,702.00/31,045.82 = 19,373.40/x
  3. Step 3: Cross multiply
    20,702.00x = 31,045.82 × 19,373.40
  4. Step 4: Simplify right side
    20,702.00x = 601,462,992.32
  5. Step 5: Solve for x
    x = 601,462,992.32/20,702.00
  6. Step 6: Final answer
    x = 29,053.37

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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.