Home / 74,242.45-111,363.67-21,651.93

Finding the Fourth Proportional to 74,242.45, 111,363.67 and 21,651.93

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Solution

The fourth proportional to 74,242.45, 111,363.67 and 21,651.93 is: 32,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,242.45 : 111,363.67 = 21,651.93 : x
  2. Step 2: Convert to fraction form
    74,242.45/111,363.67 = 21,651.93/x
  3. Step 3: Cross multiply
    74,242.45x = 111,363.67 × 21,651.93
  4. Step 4: Simplify right side
    74,242.45x = 2,411,238,387.38
  5. Step 5: Solve for x
    x = 2,411,238,387.38/74,242.45
  6. Step 6: Final answer
    x = 32,477.89

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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.