Home / 63,985.17-95,989.02-21,855.39

Finding the Fourth Proportional to 63,985.17, 95,989.02 and 21,855.39

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Solution

The fourth proportional to 63,985.17, 95,989.02 and 21,855.39 is: 32,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,985.17 : 95,989.02 = 21,855.39 : x
  2. Step 2: Convert to fraction form
    63,985.17/95,989.02 = 21,855.39/x
  3. Step 3: Cross multiply
    63,985.17x = 95,989.02 × 21,855.39
  4. Step 4: Simplify right side
    63,985.17x = 2,097,877,467.82
  5. Step 5: Solve for x
    x = 2,097,877,467.82/63,985.17
  6. Step 6: Final answer
    x = 32,786.93

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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.