Home / 58,741.71-81,063.28-31,883.98

Finding the Fourth Proportional to 58,741.71, 81,063.28 and 31,883.98

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Solution

The fourth proportional to 58,741.71, 81,063.28 and 31,883.98 is: 43,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,741.71 : 81,063.28 = 31,883.98 : x
  2. Step 2: Convert to fraction form
    58,741.71/81,063.28 = 31,883.98/x
  3. Step 3: Cross multiply
    58,741.71x = 81,063.28 × 31,883.98
  4. Step 4: Simplify right side
    58,741.71x = 2,584,619,987.44
  5. Step 5: Solve for x
    x = 2,584,619,987.44/58,741.71
  6. Step 6: Final answer
    x = 43,999.74

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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.