Home / 56,694.90-78,237.29-30,852.61

Finding the Fourth Proportional to 56,694.90, 78,237.29 and 30,852.61

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Solution

The fourth proportional to 56,694.90, 78,237.29 and 30,852.61 is: 42,575.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,694.90 : 78,237.29 = 30,852.61 : x
  2. Step 2: Convert to fraction form
    56,694.90/78,237.29 = 30,852.61/x
  3. Step 3: Cross multiply
    56,694.90x = 78,237.29 × 30,852.61
  4. Step 4: Simplify right side
    56,694.90x = 2,413,824,917.45
  5. Step 5: Solve for x
    x = 2,413,824,917.45/56,694.90
  6. Step 6: Final answer
    x = 42,575.69

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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.