Home / 51,809.44-77,655.36-45,557.36

Finding the Fourth Proportional to 51,809.44, 77,655.36 and 45,557.36

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Solution

The fourth proportional to 51,809.44, 77,655.36 and 45,557.36 is: 68,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,809.44 : 77,655.36 = 45,557.36 : x
  2. Step 2: Convert to fraction form
    51,809.44/77,655.36 = 45,557.36/x
  3. Step 3: Cross multiply
    51,809.44x = 77,655.36 × 45,557.36
  4. Step 4: Simplify right side
    51,809.44x = 3,537,773,191.45
  5. Step 5: Solve for x
    x = 3,537,773,191.45/51,809.44
  6. Step 6: Final answer
    x = 68,284.34

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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.