Home / 51,372.17-77,064.47-18,085.42

Finding the Fourth Proportional to 51,372.17, 77,064.47 and 18,085.42

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Solution

The fourth proportional to 51,372.17, 77,064.47 and 18,085.42 is: 27,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,372.17 : 77,064.47 = 18,085.42 : x
  2. Step 2: Convert to fraction form
    51,372.17/77,064.47 = 18,085.42/x
  3. Step 3: Cross multiply
    51,372.17x = 77,064.47 × 18,085.42
  4. Step 4: Simplify right side
    51,372.17x = 1,393,743,159.58
  5. Step 5: Solve for x
    x = 1,393,743,159.58/51,372.17
  6. Step 6: Final answer
    x = 27,130.32

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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.