Home / 56,972.70-78,615.54-34,311.33

Finding the Fourth Proportional to 56,972.70, 78,615.54 and 34,311.33

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Solution

The fourth proportional to 56,972.70, 78,615.54 and 34,311.33 is: 47,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,972.70 : 78,615.54 = 34,311.33 : x
  2. Step 2: Convert to fraction form
    56,972.70/78,615.54 = 34,311.33/x
  3. Step 3: Cross multiply
    56,972.70x = 78,615.54 × 34,311.33
  4. Step 4: Simplify right side
    56,972.70x = 2,697,403,736.07
  5. Step 5: Solve for x
    x = 2,697,403,736.07/56,972.70
  6. Step 6: Final answer
    x = 47,345.55

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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.