Home / 56,580.33-78,081.39-31,087.23

Finding the Fourth Proportional to 56,580.33, 78,081.39 and 31,087.23

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Solution

The fourth proportional to 56,580.33, 78,081.39 and 31,087.23 is: 42,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,580.33 : 78,081.39 = 31,087.23 : x
  2. Step 2: Convert to fraction form
    56,580.33/78,081.39 = 31,087.23/x
  3. Step 3: Cross multiply
    56,580.33x = 78,081.39 × 31,087.23
  4. Step 4: Simplify right side
    56,580.33x = 2,427,333,836.84
  5. Step 5: Solve for x
    x = 2,427,333,836.84/56,580.33
  6. Step 6: Final answer
    x = 42,900.66

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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.