Home / 56,883.05-78,497.97-31,389.61

Finding the Fourth Proportional to 56,883.05, 78,497.97 and 31,389.61

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Solution

The fourth proportional to 56,883.05, 78,497.97 and 31,389.61 is: 43,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,883.05 : 78,497.97 = 31,389.61 : x
  2. Step 2: Convert to fraction form
    56,883.05/78,497.97 = 31,389.61/x
  3. Step 3: Cross multiply
    56,883.05x = 78,497.97 × 31,389.61
  4. Step 4: Simplify right side
    56,883.05x = 2,464,020,664.09
  5. Step 5: Solve for x
    x = 2,464,020,664.09/56,883.05
  6. Step 6: Final answer
    x = 43,317.31

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1.5x scale

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.