Home / 64,271.94-96,417.09-19,902.66

Finding the Fourth Proportional to 64,271.94, 96,417.09 and 19,902.66

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Solution

The fourth proportional to 64,271.94, 96,417.09 and 19,902.66 is: 29,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,271.94 : 96,417.09 = 19,902.66 : x
  2. Step 2: Convert to fraction form
    64,271.94/96,417.09 = 19,902.66/x
  3. Step 3: Cross multiply
    64,271.94x = 96,417.09 × 19,902.66
  4. Step 4: Simplify right side
    64,271.94x = 1,918,956,560.46
  5. Step 5: Solve for x
    x = 1,918,956,560.46/64,271.94
  6. Step 6: Final answer
    x = 29,856.83

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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.