Home / 43,479.40-65,233.11-19,795.42

Finding the Fourth Proportional to 43,479.40, 65,233.11 and 19,795.42

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Solution

The fourth proportional to 43,479.40, 65,233.11 and 19,795.42 is: 29,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,479.40 : 65,233.11 = 19,795.42 : x
  2. Step 2: Convert to fraction form
    43,479.40/65,233.11 = 19,795.42/x
  3. Step 3: Cross multiply
    43,479.40x = 65,233.11 × 19,795.42
  4. Step 4: Simplify right side
    43,479.40x = 1,291,316,810.36
  5. Step 5: Solve for x
    x = 1,291,316,810.36/43,479.40
  6. Step 6: Final answer
    x = 29,699.51

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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.