Home / 51,709.04-77,544.40-18,420.26

Finding the Fourth Proportional to 51,709.04, 77,544.40 and 18,420.26

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Solution

The fourth proportional to 51,709.04, 77,544.40 and 18,420.26 is: 27,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,709.04 : 77,544.40 = 18,420.26 : x
  2. Step 2: Convert to fraction form
    51,709.04/77,544.40 = 18,420.26/x
  3. Step 3: Cross multiply
    51,709.04x = 77,544.40 × 18,420.26
  4. Step 4: Simplify right side
    51,709.04x = 1,428,387,575.77
  5. Step 5: Solve for x
    x = 1,428,387,575.77/51,709.04
  6. Step 6: Final answer
    x = 27,623.56

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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.