Home / 55,564.50-76,663.86-31,682.46

Finding the Fourth Proportional to 55,564.50, 76,663.86 and 31,682.46

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Solution

The fourth proportional to 55,564.50, 76,663.86 and 31,682.46 is: 43,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,564.50 : 76,663.86 = 31,682.46 : x
  2. Step 2: Convert to fraction form
    55,564.50/76,663.86 = 31,682.46/x
  3. Step 3: Cross multiply
    55,564.50x = 76,663.86 × 31,682.46
  4. Step 4: Simplify right side
    55,564.50x = 2,428,899,677.90
  5. Step 5: Solve for x
    x = 2,428,899,677.90/55,564.50
  6. Step 6: Final answer
    x = 43,713.16

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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.