Home / 43,462.04-65,215.29-20,691.65

Finding the Fourth Proportional to 43,462.04, 65,215.29 and 20,691.65

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Solution

The fourth proportional to 43,462.04, 65,215.29 and 20,691.65 is: 31,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,462.04 : 65,215.29 = 20,691.65 : x
  2. Step 2: Convert to fraction form
    43,462.04/65,215.29 = 20,691.65/x
  3. Step 3: Cross multiply
    43,462.04x = 65,215.29 × 20,691.65
  4. Step 4: Simplify right side
    43,462.04x = 1,349,411,629.25
  5. Step 5: Solve for x
    x = 1,349,411,629.25/43,462.04
  6. Step 6: Final answer
    x = 31,048.05

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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.