Home / 55,564.62-76,677.75-30,412.50

Finding the Fourth Proportional to 55,564.62, 76,677.75 and 30,412.50

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Solution

The fourth proportional to 55,564.62, 76,677.75 and 30,412.50 is: 41,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,564.62 : 76,677.75 = 30,412.50 : x
  2. Step 2: Convert to fraction form
    55,564.62/76,677.75 = 30,412.50/x
  3. Step 3: Cross multiply
    55,564.62x = 76,677.75 × 30,412.50
  4. Step 4: Simplify right side
    55,564.62x = 2,331,962,071.88
  5. Step 5: Solve for x
    x = 2,331,962,071.88/55,564.62
  6. Step 6: Final answer
    x = 41,968.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.