Home / 43,271.67-64,915.40-19,897.50

Finding the Fourth Proportional to 43,271.67, 64,915.40 and 19,897.50

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Solution

The fourth proportional to 43,271.67, 64,915.40 and 19,897.50 is: 29,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,271.67 : 64,915.40 = 19,897.50 : x
  2. Step 2: Convert to fraction form
    43,271.67/64,915.40 = 19,897.50/x
  3. Step 3: Cross multiply
    43,271.67x = 64,915.40 × 19,897.50
  4. Step 4: Simplify right side
    43,271.67x = 1,291,654,221.24
  5. Step 5: Solve for x
    x = 1,291,654,221.24/43,271.67
  6. Step 6: Final answer
    x = 29,849.88

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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.