Home / 64,315.56-96,487.20-19,941.42

Finding the Fourth Proportional to 64,315.56, 96,487.20 and 19,941.42

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Solution

The fourth proportional to 64,315.56, 96,487.20 and 19,941.42 is: 29,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,315.56 : 96,487.20 = 19,941.42 : x
  2. Step 2: Convert to fraction form
    64,315.56/96,487.20 = 19,941.42/x
  3. Step 3: Cross multiply
    64,315.56x = 96,487.20 × 19,941.42
  4. Step 4: Simplify right side
    64,315.56x = 1,924,091,779.82
  5. Step 5: Solve for x
    x = 1,924,091,779.82/64,315.56
  6. Step 6: Final answer
    x = 29,916.43

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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.