Home / 56,974.84-78,626.52-31,824.40

Finding the Fourth Proportional to 56,974.84, 78,626.52 and 31,824.40

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Solution

The fourth proportional to 56,974.84, 78,626.52 and 31,824.40 is: 43,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,974.84 : 78,626.52 = 31,824.40 : x
  2. Step 2: Convert to fraction form
    56,974.84/78,626.52 = 31,824.40/x
  3. Step 3: Cross multiply
    56,974.84x = 78,626.52 × 31,824.40
  4. Step 4: Simplify right side
    56,974.84x = 2,502,241,823.09
  5. Step 5: Solve for x
    x = 2,502,241,823.09/56,974.84
  6. Step 6: Final answer
    x = 43,918.37

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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.