Home / 64,747.68-97,127.22-19,779.18

Finding the Fourth Proportional to 64,747.68, 97,127.22 and 19,779.18

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Solution

The fourth proportional to 64,747.68, 97,127.22 and 19,779.18 is: 29,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747.68 : 97,127.22 = 19,779.18 : x
  2. Step 2: Convert to fraction form
    64,747.68/97,127.22 = 19,779.18/x
  3. Step 3: Cross multiply
    64,747.68x = 97,127.22 × 19,779.18
  4. Step 4: Simplify right side
    64,747.68x = 1,921,096,767.28
  5. Step 5: Solve for x
    x = 1,921,096,767.28/64,747.68
  6. Step 6: Final answer
    x = 29,670.51

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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.